Home / 10,821.96-14,937.54-6,346.92

Finding the Fourth Proportional to 10,821.96, 14,937.54 and 6,346.92

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Solution

The fourth proportional to 10,821.96, 14,937.54 and 6,346.92 is: 8,760.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.96 : 14,937.54 = 6,346.92 : x
  2. Step 2: Convert to fraction form
    10,821.96/14,937.54 = 6,346.92/x
  3. Step 3: Cross multiply
    10,821.96x = 14,937.54 × 6,346.92
  4. Step 4: Simplify right side
    10,821.96x = 94,807,371.38
  5. Step 5: Solve for x
    x = 94,807,371.38/10,821.96
  6. Step 6: Final answer
    x = 8,760.65

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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.