Home / 12,526.47-17,298.15-9,377.19

Finding the Fourth Proportional to 12,526.47, 17,298.15 and 9,377.19

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Solution

The fourth proportional to 12,526.47, 17,298.15 and 9,377.19 is: 12,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.47 : 17,298.15 = 9,377.19 : x
  2. Step 2: Convert to fraction form
    12,526.47/17,298.15 = 9,377.19/x
  3. Step 3: Cross multiply
    12,526.47x = 17,298.15 × 9,377.19
  4. Step 4: Simplify right side
    12,526.47x = 162,208,118.62
  5. Step 5: Solve for x
    x = 162,208,118.62/12,526.47
  6. Step 6: Final answer
    x = 12,949.23

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Half scale
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Double scale
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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.