Home / 11,105.85-15,326.29-6,070.28

Finding the Fourth Proportional to 11,105.85, 15,326.29 and 6,070.28

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Solution

The fourth proportional to 11,105.85, 15,326.29 and 6,070.28 is: 8,377.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,105.85 : 15,326.29 = 6,070.28 : x
  2. Step 2: Convert to fraction form
    11,105.85/15,326.29 = 6,070.28/x
  3. Step 3: Cross multiply
    11,105.85x = 15,326.29 × 6,070.28
  4. Step 4: Simplify right side
    11,105.85x = 93,034,894.80
  5. Step 5: Solve for x
    x = 93,034,894.80/11,105.85
  6. Step 6: Final answer
    x = 8,377.11

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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.