Home / 8,808.10-12,155.28-5,031.77

Finding the Fourth Proportional to 8,808.10, 12,155.28 and 5,031.77

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Solution

The fourth proportional to 8,808.10, 12,155.28 and 5,031.77 is: 6,943.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.10 : 12,155.28 = 5,031.77 : x
  2. Step 2: Convert to fraction form
    8,808.10/12,155.28 = 5,031.77/x
  3. Step 3: Cross multiply
    8,808.10x = 12,155.28 × 5,031.77
  4. Step 4: Simplify right side
    8,808.10x = 61,162,512.47
  5. Step 5: Solve for x
    x = 61,162,512.47/8,808.10
  6. Step 6: Final answer
    x = 6,943.89

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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.