Home / 8,045.50-11,103.48-4,688.62

Finding the Fourth Proportional to 8,045.50, 11,103.48 and 4,688.62

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Solution

The fourth proportional to 8,045.50, 11,103.48 and 4,688.62 is: 6,470.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,045.50 : 11,103.48 = 4,688.62 : x
  2. Step 2: Convert to fraction form
    8,045.50/11,103.48 = 4,688.62/x
  3. Step 3: Cross multiply
    8,045.50x = 11,103.48 × 4,688.62
  4. Step 4: Simplify right side
    8,045.50x = 52,059,998.40
  5. Step 5: Solve for x
    x = 52,059,998.40/8,045.50
  6. Step 6: Final answer
    x = 6,470.70

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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.