Home / 9,961.13-13,746.35-5,545.13

Finding the Fourth Proportional to 9,961.13, 13,746.35 and 5,545.13

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Solution

The fourth proportional to 9,961.13, 13,746.35 and 5,545.13 is: 7,652.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,961.13 : 13,746.35 = 5,545.13 : x
  2. Step 2: Convert to fraction form
    9,961.13/13,746.35 = 5,545.13/x
  3. Step 3: Cross multiply
    9,961.13x = 13,746.35 × 5,545.13
  4. Step 4: Simplify right side
    9,961.13x = 76,225,242.91
  5. Step 5: Solve for x
    x = 76,225,242.91/9,961.13
  6. Step 6: Final answer
    x = 7,652.27

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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.