Home / 11,279.86-15,566.18-6,244.29

Finding the Fourth Proportional to 11,279.86, 15,566.18 and 6,244.29

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Solution

The fourth proportional to 11,279.86, 15,566.18 and 6,244.29 is: 8,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.86 : 15,566.18 = 6,244.29 : x
  2. Step 2: Convert to fraction form
    11,279.86/15,566.18 = 6,244.29/x
  3. Step 3: Cross multiply
    11,279.86x = 15,566.18 × 6,244.29
  4. Step 4: Simplify right side
    11,279.86x = 97,199,710.89
  5. Step 5: Solve for x
    x = 97,199,710.89/11,279.86
  6. Step 6: Final answer
    x = 8,617.10

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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.