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Finding the Fourth Proportional to 8,652.35, 12,904.65 and 7,344.70

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Solution

The fourth proportional to 8,652.35, 12,904.65 and 7,344.70 is: 10,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.35 : 12,904.65 = 7,344.70 : x
  2. Step 2: Convert to fraction form
    8,652.35/12,904.65 = 7,344.70/x
  3. Step 3: Cross multiply
    8,652.35x = 12,904.65 × 7,344.70
  4. Step 4: Simplify right side
    8,652.35x = 94,780,750.59
  5. Step 5: Solve for x
    x = 94,780,750.59/8,652.35
  6. Step 6: Final answer
    x = 10,954.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.