Home / 8,031.12-11,089.32-5,344.92

Finding the Fourth Proportional to 8,031.12, 11,089.32 and 5,344.92

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Solution

The fourth proportional to 8,031.12, 11,089.32 and 5,344.92 is: 7,380.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.12 : 11,089.32 = 5,344.92 : x
  2. Step 2: Convert to fraction form
    8,031.12/11,089.32 = 5,344.92/x
  3. Step 3: Cross multiply
    8,031.12x = 11,089.32 × 5,344.92
  4. Step 4: Simplify right side
    8,031.12x = 59,271,528.25
  5. Step 5: Solve for x
    x = 59,271,528.25/8,031.12
  6. Step 6: Final answer
    x = 7,380.23

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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.