Home / 8,765.77-13,151.76-5,475.01

Finding the Fourth Proportional to 8,765.77, 13,151.76 and 5,475.01

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Solution

The fourth proportional to 8,765.77, 13,151.76 and 5,475.01 is: 8,214.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765.77 : 13,151.76 = 5,475.01 : x
  2. Step 2: Convert to fraction form
    8,765.77/13,151.76 = 5,475.01/x
  3. Step 3: Cross multiply
    8,765.77x = 13,151.76 × 5,475.01
  4. Step 4: Simplify right side
    8,765.77x = 72,006,017.52
  5. Step 5: Solve for x
    x = 72,006,017.52/8,765.77
  6. Step 6: Final answer
    x = 8,214.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.