Home / 11,071.65-16,605.66-5,519.10

Finding the Fourth Proportional to 11,071.65, 16,605.66 and 5,519.10

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Solution

The fourth proportional to 11,071.65, 16,605.66 and 5,519.10 is: 8,277.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,071.65 : 16,605.66 = 5,519.10 : x
  2. Step 2: Convert to fraction form
    11,071.65/16,605.66 = 5,519.10/x
  3. Step 3: Cross multiply
    11,071.65x = 16,605.66 × 5,519.10
  4. Step 4: Simplify right side
    11,071.65x = 91,648,298.11
  5. Step 5: Solve for x
    x = 91,648,298.11/11,071.65
  6. Step 6: Final answer
    x = 8,277.75

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.