Home / 10,952.96-15,110.52-7,177.04

Finding the Fourth Proportional to 10,952.96, 15,110.52 and 7,177.04

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Solution

The fourth proportional to 10,952.96, 15,110.52 and 7,177.04 is: 9,901.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,952.96 : 15,110.52 = 7,177.04 : x
  2. Step 2: Convert to fraction form
    10,952.96/15,110.52 = 7,177.04/x
  3. Step 3: Cross multiply
    10,952.96x = 15,110.52 × 7,177.04
  4. Step 4: Simplify right side
    10,952.96x = 108,448,806.46
  5. Step 5: Solve for x
    x = 108,448,806.46/10,952.96
  6. Step 6: Final answer
    x = 9,901.32

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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.