Home / 12,403.58-17,116.58-7,098.21

Finding the Fourth Proportional to 12,403.58, 17,116.58 and 7,098.21

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Solution

The fourth proportional to 12,403.58, 17,116.58 and 7,098.21 is: 9,795.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,403.58 : 17,116.58 = 7,098.21 : x
  2. Step 2: Convert to fraction form
    12,403.58/17,116.58 = 7,098.21/x
  3. Step 3: Cross multiply
    12,403.58x = 17,116.58 × 7,098.21
  4. Step 4: Simplify right side
    12,403.58x = 121,497,097.07
  5. Step 5: Solve for x
    x = 121,497,097.07/12,403.58
  6. Step 6: Final answer
    x = 9,795.33

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Half scale
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Double scale
Find fourth proportional to 12,404.58, 17,117.96 and 7,099.21
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.