Home / 12,731.12-17,569.14-7,066.24

Finding the Fourth Proportional to 12,731.12, 17,569.14 and 7,066.24

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Solution

The fourth proportional to 12,731.12, 17,569.14 and 7,066.24 is: 9,751.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.12 : 17,569.14 = 7,066.24 : x
  2. Step 2: Convert to fraction form
    12,731.12/17,569.14 = 7,066.24/x
  3. Step 3: Cross multiply
    12,731.12x = 17,569.14 × 7,066.24
  4. Step 4: Simplify right side
    12,731.12x = 124,147,715.91
  5. Step 5: Solve for x
    x = 124,147,715.91/12,731.12
  6. Step 6: Final answer
    x = 9,751.51

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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.