Home / 9,931.52-14,899.11-3,268.40

Finding the Fourth Proportional to 9,931.52, 14,899.11 and 3,268.40

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Solution

The fourth proportional to 9,931.52, 14,899.11 and 3,268.40 is: 4,903.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,931.52 : 14,899.11 = 3,268.40 : x
  2. Step 2: Convert to fraction form
    9,931.52/14,899.11 = 3,268.40/x
  3. Step 3: Cross multiply
    9,931.52x = 14,899.11 × 3,268.40
  4. Step 4: Simplify right side
    9,931.52x = 48,696,251.12
  5. Step 5: Solve for x
    x = 48,696,251.12/9,931.52
  6. Step 6: Final answer
    x = 4,903.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.