Home / 8,887.50-12,264.75-5,350.86

Finding the Fourth Proportional to 8,887.50, 12,264.75 and 5,350.86

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Solution

The fourth proportional to 8,887.50, 12,264.75 and 5,350.86 is: 7,384.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.50 : 12,264.75 = 5,350.86 : x
  2. Step 2: Convert to fraction form
    8,887.50/12,264.75 = 5,350.86/x
  3. Step 3: Cross multiply
    8,887.50x = 12,264.75 × 5,350.86
  4. Step 4: Simplify right side
    8,887.50x = 65,626,960.19
  5. Step 5: Solve for x
    x = 65,626,960.19/8,887.50
  6. Step 6: Final answer
    x = 7,384.19

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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.