Home / 11,718.77-16,179.45-10,457.66

Finding the Fourth Proportional to 11,718.77, 16,179.45 and 10,457.66

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Solution

The fourth proportional to 11,718.77, 16,179.45 and 10,457.66 is: 14,438.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,718.77 : 16,179.45 = 10,457.66 : x
  2. Step 2: Convert to fraction form
    11,718.77/16,179.45 = 10,457.66/x
  3. Step 3: Cross multiply
    11,718.77x = 16,179.45 × 10,457.66
  4. Step 4: Simplify right side
    11,718.77x = 169,199,266.75
  5. Step 5: Solve for x
    x = 169,199,266.75/11,718.77
  6. Step 6: Final answer
    x = 14,438.31

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Double scale
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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.