Home / 8,363.87-11,542.35-4,587.20

Finding the Fourth Proportional to 8,363.87, 11,542.35 and 4,587.20

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Solution

The fourth proportional to 8,363.87, 11,542.35 and 4,587.20 is: 6,330.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.87 : 11,542.35 = 4,587.20 : x
  2. Step 2: Convert to fraction form
    8,363.87/11,542.35 = 4,587.20/x
  3. Step 3: Cross multiply
    8,363.87x = 11,542.35 × 4,587.20
  4. Step 4: Simplify right side
    8,363.87x = 52,947,010.21
  5. Step 5: Solve for x
    x = 52,947,010.21/8,363.87
  6. Step 6: Final answer
    x = 6,330.45

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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.