Home / 10,087.20-15,126.75-5,928.26

Finding the Fourth Proportional to 10,087.20, 15,126.75 and 5,928.26

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Solution

The fourth proportional to 10,087.20, 15,126.75 and 5,928.26 is: 8,890.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.20 : 15,126.75 = 5,928.26 : x
  2. Step 2: Convert to fraction form
    10,087.20/15,126.75 = 5,928.26/x
  3. Step 3: Cross multiply
    10,087.20x = 15,126.75 × 5,928.26
  4. Step 4: Simplify right side
    10,087.20x = 89,675,231.32
  5. Step 5: Solve for x
    x = 89,675,231.32/10,087.20
  6. Step 6: Final answer
    x = 8,890.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.