Home / 10,118.85-13,970.52-6,937.44

Finding the Fourth Proportional to 10,118.85, 13,970.52 and 6,937.44

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Solution

The fourth proportional to 10,118.85, 13,970.52 and 6,937.44 is: 9,578.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.85 : 13,970.52 = 6,937.44 : x
  2. Step 2: Convert to fraction form
    10,118.85/13,970.52 = 6,937.44/x
  3. Step 3: Cross multiply
    10,118.85x = 13,970.52 × 6,937.44
  4. Step 4: Simplify right side
    10,118.85x = 96,919,644.27
  5. Step 5: Solve for x
    x = 96,919,644.27/10,118.85
  6. Step 6: Final answer
    x = 9,578.13

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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.