Home / 11,342.92-15,653.28-6,626.20

Finding the Fourth Proportional to 11,342.92, 15,653.28 and 6,626.20

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Solution

The fourth proportional to 11,342.92, 15,653.28 and 6,626.20 is: 9,144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,342.92 : 15,653.28 = 6,626.20 : x
  2. Step 2: Convert to fraction form
    11,342.92/15,653.28 = 6,626.20/x
  3. Step 3: Cross multiply
    11,342.92x = 15,653.28 × 6,626.20
  4. Step 4: Simplify right side
    11,342.92x = 103,721,763.94
  5. Step 5: Solve for x
    x = 103,721,763.94/11,342.92
  6. Step 6: Final answer
    x = 9,144.19

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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.