Home / 10,529.87-14,531.04-5,749.65

Finding the Fourth Proportional to 10,529.87, 14,531.04 and 5,749.65

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Solution

The fourth proportional to 10,529.87, 14,531.04 and 5,749.65 is: 7,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.87 : 14,531.04 = 5,749.65 : x
  2. Step 2: Convert to fraction form
    10,529.87/14,531.04 = 5,749.65/x
  3. Step 3: Cross multiply
    10,529.87x = 14,531.04 × 5,749.65
  4. Step 4: Simplify right side
    10,529.87x = 83,548,394.14
  5. Step 5: Solve for x
    x = 83,548,394.14/10,529.87
  6. Step 6: Final answer
    x = 7,934.42

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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.