Home / 11,102.44-16,639.20-9,925.60

Finding the Fourth Proportional to 11,102.44, 16,639.20 and 9,925.60

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Solution

The fourth proportional to 11,102.44, 16,639.20 and 9,925.60 is: 14,875.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,102.44 : 16,639.20 = 9,925.60 : x
  2. Step 2: Convert to fraction form
    11,102.44/16,639.20 = 9,925.60/x
  3. Step 3: Cross multiply
    11,102.44x = 16,639.20 × 9,925.60
  4. Step 4: Simplify right side
    11,102.44x = 165,154,043.52
  5. Step 5: Solve for x
    x = 165,154,043.52/11,102.44
  6. Step 6: Final answer
    x = 14,875.47

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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.