Home / 10,486.20-14,470.16-5,770.79

Finding the Fourth Proportional to 10,486.20, 14,470.16 and 5,770.79

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Solution

The fourth proportional to 10,486.20, 14,470.16 and 5,770.79 is: 7,963.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,486.20 : 14,470.16 = 5,770.79 : x
  2. Step 2: Convert to fraction form
    10,486.20/14,470.16 = 5,770.79/x
  3. Step 3: Cross multiply
    10,486.20x = 14,470.16 × 5,770.79
  4. Step 4: Simplify right side
    10,486.20x = 83,504,153.42
  5. Step 5: Solve for x
    x = 83,504,153.42/10,486.20
  6. Step 6: Final answer
    x = 7,963.24

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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.