Home / 8,041.68-11,099.16-5,387.04

Finding the Fourth Proportional to 8,041.68, 11,099.16 and 5,387.04

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Solution

The fourth proportional to 8,041.68, 11,099.16 and 5,387.04 is: 7,435.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,041.68 : 11,099.16 = 5,387.04 : x
  2. Step 2: Convert to fraction form
    8,041.68/11,099.16 = 5,387.04/x
  3. Step 3: Cross multiply
    8,041.68x = 11,099.16 × 5,387.04
  4. Step 4: Simplify right side
    8,041.68x = 59,791,618.89
  5. Step 5: Solve for x
    x = 59,791,618.89/8,041.68
  6. Step 6: Final answer
    x = 7,435.21

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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.