Home / 13,250.28-18,284.22-7,948.02

Finding the Fourth Proportional to 13,250.28, 18,284.22 and 7,948.02

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Solution

The fourth proportional to 13,250.28, 18,284.22 and 7,948.02 is: 10,967.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.28 : 18,284.22 = 7,948.02 : x
  2. Step 2: Convert to fraction form
    13,250.28/18,284.22 = 7,948.02/x
  3. Step 3: Cross multiply
    13,250.28x = 18,284.22 × 7,948.02
  4. Step 4: Simplify right side
    13,250.28x = 145,323,346.24
  5. Step 5: Solve for x
    x = 145,323,346.24/13,250.28
  6. Step 6: Final answer
    x = 10,967.57

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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.