Home / 9,862.92-13,610.43-5,386.50

Finding the Fourth Proportional to 9,862.92, 13,610.43 and 5,386.50

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Solution

The fourth proportional to 9,862.92, 13,610.43 and 5,386.50 is: 7,433.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,862.92 : 13,610.43 = 5,386.50 : x
  2. Step 2: Convert to fraction form
    9,862.92/13,610.43 = 5,386.50/x
  3. Step 3: Cross multiply
    9,862.92x = 13,610.43 × 5,386.50
  4. Step 4: Simplify right side
    9,862.92x = 73,312,581.20
  5. Step 5: Solve for x
    x = 73,312,581.20/9,862.92
  6. Step 6: Final answer
    x = 7,433.15

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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.