Home / 7,445.95-11,167.70-2,515.48

Finding the Fourth Proportional to 7,445.95, 11,167.70 and 2,515.48

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Solution

The fourth proportional to 7,445.95, 11,167.70 and 2,515.48 is: 3,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.95 : 11,167.70 = 2,515.48 : x
  2. Step 2: Convert to fraction form
    7,445.95/11,167.70 = 2,515.48/x
  3. Step 3: Cross multiply
    7,445.95x = 11,167.70 × 2,515.48
  4. Step 4: Simplify right side
    7,445.95x = 28,092,070.16
  5. Step 5: Solve for x
    x = 28,092,070.16/7,445.95
  6. Step 6: Final answer
    x = 3,772.80

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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.