Home / 9,862.49-13,610.12-5,386.43

Finding the Fourth Proportional to 9,862.49, 13,610.12 and 5,386.43

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Solution

The fourth proportional to 9,862.49, 13,610.12 and 5,386.43 is: 7,433.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,862.49 : 13,610.12 = 5,386.43 : x
  2. Step 2: Convert to fraction form
    9,862.49/13,610.12 = 5,386.43/x
  3. Step 3: Cross multiply
    9,862.49x = 13,610.12 × 5,386.43
  4. Step 4: Simplify right side
    9,862.49x = 73,309,958.67
  5. Step 5: Solve for x
    x = 73,309,958.67/9,862.49
  6. Step 6: Final answer
    x = 7,433.21

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1.5x scale

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.