Home / 10,357.85-15,544.98-4,518.56

Finding the Fourth Proportional to 10,357.85, 15,544.98 and 4,518.56

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Solution

The fourth proportional to 10,357.85, 15,544.98 and 4,518.56 is: 6,781.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,357.85 : 15,544.98 = 4,518.56 : x
  2. Step 2: Convert to fraction form
    10,357.85/15,544.98 = 4,518.56/x
  3. Step 3: Cross multiply
    10,357.85x = 15,544.98 × 4,518.56
  4. Step 4: Simplify right side
    10,357.85x = 70,240,963.69
  5. Step 5: Solve for x
    x = 70,240,963.69/10,357.85
  6. Step 6: Final answer
    x = 6,781.42

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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.