Home / 10,458.71-15,688.10-7,352.62

Finding the Fourth Proportional to 10,458.71, 15,688.10 and 7,352.62

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Solution

The fourth proportional to 10,458.71, 15,688.10 and 7,352.62 is: 11,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,458.71 : 15,688.10 = 7,352.62 : x
  2. Step 2: Convert to fraction form
    10,458.71/15,688.10 = 7,352.62/x
  3. Step 3: Cross multiply
    10,458.71x = 15,688.10 × 7,352.62
  4. Step 4: Simplify right side
    10,458.71x = 115,348,616.98
  5. Step 5: Solve for x
    x = 115,348,616.98/10,458.71
  6. Step 6: Final answer
    x = 11,028.95

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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.