Home / 10,074.31-13,901.90-5,597.78

Finding the Fourth Proportional to 10,074.31, 13,901.90 and 5,597.78

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Solution

The fourth proportional to 10,074.31, 13,901.90 and 5,597.78 is: 7,724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,074.31 : 13,901.90 = 5,597.78 : x
  2. Step 2: Convert to fraction form
    10,074.31/13,901.90 = 5,597.78/x
  3. Step 3: Cross multiply
    10,074.31x = 13,901.90 × 5,597.78
  4. Step 4: Simplify right side
    10,074.31x = 77,819,680.28
  5. Step 5: Solve for x
    x = 77,819,680.28/10,074.31
  6. Step 6: Final answer
    x = 7,724.57

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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.