Home / 10,836.96-14,961.45-6,861.48

Finding the Fourth Proportional to 10,836.96, 14,961.45 and 6,861.48

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Solution

The fourth proportional to 10,836.96, 14,961.45 and 6,861.48 is: 9,472.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,836.96 : 14,961.45 = 6,861.48 : x
  2. Step 2: Convert to fraction form
    10,836.96/14,961.45 = 6,861.48/x
  3. Step 3: Cross multiply
    10,836.96x = 14,961.45 × 6,861.48
  4. Step 4: Simplify right side
    10,836.96x = 102,657,689.95
  5. Step 5: Solve for x
    x = 102,657,689.95/10,836.96
  6. Step 6: Final answer
    x = 9,472.92

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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.