Home / 10,124.58-15,188.49-4,281.24

Finding the Fourth Proportional to 10,124.58, 15,188.49 and 4,281.24

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Solution

The fourth proportional to 10,124.58, 15,188.49 and 4,281.24 is: 6,422.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.58 : 15,188.49 = 4,281.24 : x
  2. Step 2: Convert to fraction form
    10,124.58/15,188.49 = 4,281.24/x
  3. Step 3: Cross multiply
    10,124.58x = 15,188.49 × 4,281.24
  4. Step 4: Simplify right side
    10,124.58x = 65,025,570.93
  5. Step 5: Solve for x
    x = 65,025,570.93/10,124.58
  6. Step 6: Final answer
    x = 6,422.55

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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.