Home / 10,631.54-14,672.70-6,155.24

Finding the Fourth Proportional to 10,631.54, 14,672.70 and 6,155.24

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Solution

The fourth proportional to 10,631.54, 14,672.70 and 6,155.24 is: 8,494.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.54 : 14,672.70 = 6,155.24 : x
  2. Step 2: Convert to fraction form
    10,631.54/14,672.70 = 6,155.24/x
  3. Step 3: Cross multiply
    10,631.54x = 14,672.70 × 6,155.24
  4. Step 4: Simplify right side
    10,631.54x = 90,313,989.95
  5. Step 5: Solve for x
    x = 90,313,989.95/10,631.54
  6. Step 6: Final answer
    x = 8,494.91

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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.