Home / 12,600.16-17,388.24-7,011.04

Finding the Fourth Proportional to 12,600.16, 17,388.24 and 7,011.04

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Solution

The fourth proportional to 12,600.16, 17,388.24 and 7,011.04 is: 9,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,600.16 : 17,388.24 = 7,011.04 : x
  2. Step 2: Convert to fraction form
    12,600.16/17,388.24 = 7,011.04/x
  3. Step 3: Cross multiply
    12,600.16x = 17,388.24 × 7,011.04
  4. Step 4: Simplify right side
    12,600.16x = 121,909,646.17
  5. Step 5: Solve for x
    x = 121,909,646.17/12,600.16
  6. Step 6: Final answer
    x = 9,675.25

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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.