Home / 7,412.10-11,104.65-5,862.30

Finding the Fourth Proportional to 7,412.10, 11,104.65 and 5,862.30

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Solution

The fourth proportional to 7,412.10, 11,104.65 and 5,862.30 is: 8,782.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.10 : 11,104.65 = 5,862.30 : x
  2. Step 2: Convert to fraction form
    7,412.10/11,104.65 = 5,862.30/x
  3. Step 3: Cross multiply
    7,412.10x = 11,104.65 × 5,862.30
  4. Step 4: Simplify right side
    7,412.10x = 65,098,789.70
  5. Step 5: Solve for x
    x = 65,098,789.70/7,412.10
  6. Step 6: Final answer
    x = 8,782.77

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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.