Home / 9,332.12-12,877.31-5,353.13

Finding the Fourth Proportional to 9,332.12, 12,877.31 and 5,353.13

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Solution

The fourth proportional to 9,332.12, 12,877.31 and 5,353.13 is: 7,386.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,332.12 : 12,877.31 = 5,353.13 : x
  2. Step 2: Convert to fraction form
    9,332.12/12,877.31 = 5,353.13/x
  3. Step 3: Cross multiply
    9,332.12x = 12,877.31 × 5,353.13
  4. Step 4: Simplify right side
    9,332.12x = 68,933,960.06
  5. Step 5: Solve for x
    x = 68,933,960.06/9,332.12
  6. Step 6: Final answer
    x = 7,386.74

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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.