Home / 10,580.12-15,870.97-3,560.15

Finding the Fourth Proportional to 10,580.12, 15,870.97 and 3,560.15

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Solution

The fourth proportional to 10,580.12, 15,870.97 and 3,560.15 is: 5,340.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,580.12 : 15,870.97 = 3,560.15 : x
  2. Step 2: Convert to fraction form
    10,580.12/15,870.97 = 3,560.15/x
  3. Step 3: Cross multiply
    10,580.12x = 15,870.97 × 3,560.15
  4. Step 4: Simplify right side
    10,580.12x = 56,503,077.97
  5. Step 5: Solve for x
    x = 56,503,077.97/10,580.12
  6. Step 6: Final answer
    x = 5,340.50

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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.