Home / 10,197.28-14,071.29-5,720.17

Finding the Fourth Proportional to 10,197.28, 14,071.29 and 5,720.17

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Solution

The fourth proportional to 10,197.28, 14,071.29 and 5,720.17 is: 7,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,197.28 : 14,071.29 = 5,720.17 : x
  2. Step 2: Convert to fraction form
    10,197.28/14,071.29 = 5,720.17/x
  3. Step 3: Cross multiply
    10,197.28x = 14,071.29 × 5,720.17
  4. Step 4: Simplify right side
    10,197.28x = 80,490,170.92
  5. Step 5: Solve for x
    x = 80,490,170.92/10,197.28
  6. Step 6: Final answer
    x = 7,893.30

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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.