Home / 9,729.68-13,426.96-5,537.92

Finding the Fourth Proportional to 9,729.68, 13,426.96 and 5,537.92

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Solution

The fourth proportional to 9,729.68, 13,426.96 and 5,537.92 is: 7,642.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,729.68 : 13,426.96 = 5,537.92 : x
  2. Step 2: Convert to fraction form
    9,729.68/13,426.96 = 5,537.92/x
  3. Step 3: Cross multiply
    9,729.68x = 13,426.96 × 5,537.92
  4. Step 4: Simplify right side
    9,729.68x = 74,357,430.32
  5. Step 5: Solve for x
    x = 74,357,430.32/9,729.68
  6. Step 6: Final answer
    x = 7,642.33

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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.