Home / 8,693.12-13,025.28-4,069.76

Finding the Fourth Proportional to 8,693.12, 13,025.28 and 4,069.76

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Solution

The fourth proportional to 8,693.12, 13,025.28 and 4,069.76 is: 6,097.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.12 : 13,025.28 = 4,069.76 : x
  2. Step 2: Convert to fraction form
    8,693.12/13,025.28 = 4,069.76/x
  3. Step 3: Cross multiply
    8,693.12x = 13,025.28 × 4,069.76
  4. Step 4: Simplify right side
    8,693.12x = 53,009,763.53
  5. Step 5: Solve for x
    x = 53,009,763.53/8,693.12
  6. Step 6: Final answer
    x = 6,097.90

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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.