Home / 7,432.36-11,150.40-5,245.36

Finding the Fourth Proportional to 7,432.36, 11,150.40 and 5,245.36

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Solution

The fourth proportional to 7,432.36, 11,150.40 and 5,245.36 is: 7,869.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432.36 : 11,150.40 = 5,245.36 : x
  2. Step 2: Convert to fraction form
    7,432.36/11,150.40 = 5,245.36/x
  3. Step 3: Cross multiply
    7,432.36x = 11,150.40 × 5,245.36
  4. Step 4: Simplify right side
    7,432.36x = 58,487,862.14
  5. Step 5: Solve for x
    x = 58,487,862.14/7,432.36
  6. Step 6: Final answer
    x = 7,869.35

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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.