Home / 12,646.32-17,452.68-7,057.68

Finding the Fourth Proportional to 12,646.32, 17,452.68 and 7,057.68

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Solution

The fourth proportional to 12,646.32, 17,452.68 and 7,057.68 is: 9,740.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,646.32 : 17,452.68 = 7,057.68 : x
  2. Step 2: Convert to fraction form
    12,646.32/17,452.68 = 7,057.68/x
  3. Step 3: Cross multiply
    12,646.32x = 17,452.68 × 7,057.68
  4. Step 4: Simplify right side
    12,646.32x = 123,175,430.58
  5. Step 5: Solve for x
    x = 123,175,430.58/12,646.32
  6. Step 6: Final answer
    x = 9,740.02

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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.