Home / 10,091.74-13,927.13-5,615.92

Finding the Fourth Proportional to 10,091.74, 13,927.13 and 5,615.92

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Solution

The fourth proportional to 10,091.74, 13,927.13 and 5,615.92 is: 7,750.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.74 : 13,927.13 = 5,615.92 : x
  2. Step 2: Convert to fraction form
    10,091.74/13,927.13 = 5,615.92/x
  3. Step 3: Cross multiply
    10,091.74x = 13,927.13 × 5,615.92
  4. Step 4: Simplify right side
    10,091.74x = 78,213,647.91
  5. Step 5: Solve for x
    x = 78,213,647.91/10,091.74
  6. Step 6: Final answer
    x = 7,750.26

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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.