Home / 8,070.17-11,123.12-6,155.33

Finding the Fourth Proportional to 8,070.17, 11,123.12 and 6,155.33

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Solution

The fourth proportional to 8,070.17, 11,123.12 and 6,155.33 is: 8,483.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.17 : 11,123.12 = 6,155.33 : x
  2. Step 2: Convert to fraction form
    8,070.17/11,123.12 = 6,155.33/x
  3. Step 3: Cross multiply
    8,070.17x = 11,123.12 × 6,155.33
  4. Step 4: Simplify right side
    8,070.17x = 68,466,434.00
  5. Step 5: Solve for x
    x = 68,466,434.00/8,070.17
  6. Step 6: Final answer
    x = 8,483.90

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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.