Home / 10,091.62-13,926.26-5,615.24

Finding the Fourth Proportional to 10,091.62, 13,926.26 and 5,615.24

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Solution

The fourth proportional to 10,091.62, 13,926.26 and 5,615.24 is: 7,748.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,091.62 : 13,926.26 = 5,615.24 : x
  2. Step 2: Convert to fraction form
    10,091.62/13,926.26 = 5,615.24/x
  3. Step 3: Cross multiply
    10,091.62x = 13,926.26 × 5,615.24
  4. Step 4: Simplify right side
    10,091.62x = 78,199,264.13
  5. Step 5: Solve for x
    x = 78,199,264.13/10,091.62
  6. Step 6: Final answer
    x = 7,748.93

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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.