Home / 7,407.18-11,098.46-5,211.29

Finding the Fourth Proportional to 7,407.18, 11,098.46 and 5,211.29

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Solution

The fourth proportional to 7,407.18, 11,098.46 and 5,211.29 is: 7,808.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,407.18 : 11,098.46 = 5,211.29 : x
  2. Step 2: Convert to fraction form
    7,407.18/11,098.46 = 5,211.29/x
  3. Step 3: Cross multiply
    7,407.18x = 11,098.46 × 5,211.29
  4. Step 4: Simplify right side
    7,407.18x = 57,837,293.61
  5. Step 5: Solve for x
    x = 57,837,293.61/7,407.18
  6. Step 6: Final answer
    x = 7,808.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.