Home / 8,045.13-11,103.30-4,688.10

Finding the Fourth Proportional to 8,045.13, 11,103.30 and 4,688.10

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Solution

The fourth proportional to 8,045.13, 11,103.30 and 4,688.10 is: 6,470.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.13 : 11,103.30 = 4,688.10 : x
  2. Step 2: Convert to fraction form
    8,045.13/11,103.30 = 4,688.10/x
  3. Step 3: Cross multiply
    8,045.13x = 11,103.30 × 4,688.10
  4. Step 4: Simplify right side
    8,045.13x = 52,053,380.73
  5. Step 5: Solve for x
    x = 52,053,380.73/8,045.13
  6. Step 6: Final answer
    x = 6,470.17

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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.