Home / 8,031.66-12,047.45-3,588.18

Finding the Fourth Proportional to 8,031.66, 12,047.45 and 3,588.18

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Solution

The fourth proportional to 8,031.66, 12,047.45 and 3,588.18 is: 5,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.66 : 12,047.45 = 3,588.18 : x
  2. Step 2: Convert to fraction form
    8,031.66/12,047.45 = 3,588.18/x
  3. Step 3: Cross multiply
    8,031.66x = 12,047.45 × 3,588.18
  4. Step 4: Simplify right side
    8,031.66x = 43,228,401.20
  5. Step 5: Solve for x
    x = 43,228,401.20/8,031.66
  6. Step 6: Final answer
    x = 5,382.25

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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.