Home / 9,275.28-13,900.74-8,037.60

Finding the Fourth Proportional to 9,275.28, 13,900.74 and 8,037.60

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Solution

The fourth proportional to 9,275.28, 13,900.74 and 8,037.60 is: 12,045.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,275.28 : 13,900.74 = 8,037.60 : x
  2. Step 2: Convert to fraction form
    9,275.28/13,900.74 = 8,037.60/x
  3. Step 3: Cross multiply
    9,275.28x = 13,900.74 × 8,037.60
  4. Step 4: Simplify right side
    9,275.28x = 111,728,587.82
  5. Step 5: Solve for x
    x = 111,728,587.82/9,275.28
  6. Step 6: Final answer
    x = 12,045.85

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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.