Home / 10,097.70-13,932.45-6,117.90

Finding the Fourth Proportional to 10,097.70, 13,932.45 and 6,117.90

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Solution

The fourth proportional to 10,097.70, 13,932.45 and 6,117.90 is: 8,441.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,097.70 : 13,932.45 = 6,117.90 : x
  2. Step 2: Convert to fraction form
    10,097.70/13,932.45 = 6,117.90/x
  3. Step 3: Cross multiply
    10,097.70x = 13,932.45 × 6,117.90
  4. Step 4: Simplify right side
    10,097.70x = 85,237,335.86
  5. Step 5: Solve for x
    x = 85,237,335.86/10,097.70
  6. Step 6: Final answer
    x = 8,441.26

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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.