Home / 10,124.64-15,183.30-4,281.70

Finding the Fourth Proportional to 10,124.64, 15,183.30 and 4,281.70

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Solution

The fourth proportional to 10,124.64, 15,183.30 and 4,281.70 is: 6,421.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,124.64 : 15,183.30 = 4,281.70 : x
  2. Step 2: Convert to fraction form
    10,124.64/15,183.30 = 4,281.70/x
  3. Step 3: Cross multiply
    10,124.64x = 15,183.30 × 4,281.70
  4. Step 4: Simplify right side
    10,124.64x = 65,010,335.61
  5. Step 5: Solve for x
    x = 65,010,335.61/10,124.64
  6. Step 6: Final answer
    x = 6,421.00

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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.