Home / 8,887.16-12,264.96-4,909.04

Finding the Fourth Proportional to 8,887.16, 12,264.96 and 4,909.04

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Solution

The fourth proportional to 8,887.16, 12,264.96 and 4,909.04 is: 6,774.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.16 : 12,264.96 = 4,909.04 : x
  2. Step 2: Convert to fraction form
    8,887.16/12,264.96 = 4,909.04/x
  3. Step 3: Cross multiply
    8,887.16x = 12,264.96 × 4,909.04
  4. Step 4: Simplify right side
    8,887.16x = 60,209,179.24
  5. Step 5: Solve for x
    x = 60,209,179.24/8,887.16
  6. Step 6: Final answer
    x = 6,774.85

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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.