Home / 10,260.03-15,374.64-7,916.52

Finding the Fourth Proportional to 10,260.03, 15,374.64 and 7,916.52

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Solution

The fourth proportional to 10,260.03, 15,374.64 and 7,916.52 is: 11,862.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.03 : 15,374.64 = 7,916.52 : x
  2. Step 2: Convert to fraction form
    10,260.03/15,374.64 = 7,916.52/x
  3. Step 3: Cross multiply
    10,260.03x = 15,374.64 × 7,916.52
  4. Step 4: Simplify right side
    10,260.03x = 121,713,645.05
  5. Step 5: Solve for x
    x = 121,713,645.05/10,260.03
  6. Step 6: Final answer
    x = 11,862.89

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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.