Home / 11,025.60-15,199.02-7,834.20

Finding the Fourth Proportional to 11,025.60, 15,199.02 and 7,834.20

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Solution

The fourth proportional to 11,025.60, 15,199.02 and 7,834.20 is: 10,799.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,025.60 : 15,199.02 = 7,834.20 : x
  2. Step 2: Convert to fraction form
    11,025.60/15,199.02 = 7,834.20/x
  3. Step 3: Cross multiply
    11,025.60x = 15,199.02 × 7,834.20
  4. Step 4: Simplify right side
    11,025.60x = 119,072,162.48
  5. Step 5: Solve for x
    x = 119,072,162.48/11,025.60
  6. Step 6: Final answer
    x = 10,799.61

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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.