Home / 12,525.35-17,281.41-7,219.14

Finding the Fourth Proportional to 12,525.35, 17,281.41 and 7,219.14

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Solution

The fourth proportional to 12,525.35, 17,281.41 and 7,219.14 is: 9,960.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.35 : 17,281.41 = 7,219.14 : x
  2. Step 2: Convert to fraction form
    12,525.35/17,281.41 = 7,219.14/x
  3. Step 3: Cross multiply
    12,525.35x = 17,281.41 × 7,219.14
  4. Step 4: Simplify right side
    12,525.35x = 124,756,918.19
  5. Step 5: Solve for x
    x = 124,756,918.19/12,525.35
  6. Step 6: Final answer
    x = 9,960.36

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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.