Home / 8,366.02-11,543.87-5,385.89

Finding the Fourth Proportional to 8,366.02, 11,543.87 and 5,385.89

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Solution

The fourth proportional to 8,366.02, 11,543.87 and 5,385.89 is: 7,431.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,366.02 : 11,543.87 = 5,385.89 : x
  2. Step 2: Convert to fraction form
    8,366.02/11,543.87 = 5,385.89/x
  3. Step 3: Cross multiply
    8,366.02x = 11,543.87 × 5,385.89
  4. Step 4: Simplify right side
    8,366.02x = 62,174,013.99
  5. Step 5: Solve for x
    x = 62,174,013.99/8,366.02
  6. Step 6: Final answer
    x = 7,431.73

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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.