Home / 10,631.66-14,669.76-6,155.60

Finding the Fourth Proportional to 10,631.66, 14,669.76 and 6,155.60

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Solution

The fourth proportional to 10,631.66, 14,669.76 and 6,155.60 is: 8,493.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.66 : 14,669.76 = 6,155.60 : x
  2. Step 2: Convert to fraction form
    10,631.66/14,669.76 = 6,155.60/x
  3. Step 3: Cross multiply
    10,631.66x = 14,669.76 × 6,155.60
  4. Step 4: Simplify right side
    10,631.66x = 90,301,174.66
  5. Step 5: Solve for x
    x = 90,301,174.66/10,631.66
  6. Step 6: Final answer
    x = 8,493.61

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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.