Home / 9,535.90-13,160.40-5,760.22

Finding the Fourth Proportional to 9,535.90, 13,160.40 and 5,760.22

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Solution

The fourth proportional to 9,535.90, 13,160.40 and 5,760.22 is: 7,949.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,535.90 : 13,160.40 = 5,760.22 : x
  2. Step 2: Convert to fraction form
    9,535.90/13,160.40 = 5,760.22/x
  3. Step 3: Cross multiply
    9,535.90x = 13,160.40 × 5,760.22
  4. Step 4: Simplify right side
    9,535.90x = 75,806,799.29
  5. Step 5: Solve for x
    x = 75,806,799.29/9,535.90
  6. Step 6: Final answer
    x = 7,949.62

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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.