Home / 10,972.40-16,458.60-4,049.60

Finding the Fourth Proportional to 10,972.40, 16,458.60 and 4,049.60

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Solution

The fourth proportional to 10,972.40, 16,458.60 and 4,049.60 is: 6,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,972.40 : 16,458.60 = 4,049.60 : x
  2. Step 2: Convert to fraction form
    10,972.40/16,458.60 = 4,049.60/x
  3. Step 3: Cross multiply
    10,972.40x = 16,458.60 × 4,049.60
  4. Step 4: Simplify right side
    10,972.40x = 66,650,746.56
  5. Step 5: Solve for x
    x = 66,650,746.56/10,972.40
  6. Step 6: Final answer
    x = 6,074.40

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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.