Home / 10,486.75-14,471.76-5,771.11

Finding the Fourth Proportional to 10,486.75, 14,471.76 and 5,771.11

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Solution

The fourth proportional to 10,486.75, 14,471.76 and 5,771.11 is: 7,964.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,486.75 : 14,471.76 = 5,771.11 : x
  2. Step 2: Convert to fraction form
    10,486.75/14,471.76 = 5,771.11/x
  3. Step 3: Cross multiply
    10,486.75x = 14,471.76 × 5,771.11
  4. Step 4: Simplify right side
    10,486.75x = 83,518,118.85
  5. Step 5: Solve for x
    x = 83,518,118.85/10,486.75
  6. Step 6: Final answer
    x = 7,964.16

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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.