Home / 10,385.94-15,578.76-4,836.18

Finding the Fourth Proportional to 10,385.94, 15,578.76 and 4,836.18

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Solution

The fourth proportional to 10,385.94, 15,578.76 and 4,836.18 is: 7,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.94 : 15,578.76 = 4,836.18 : x
  2. Step 2: Convert to fraction form
    10,385.94/15,578.76 = 4,836.18/x
  3. Step 3: Cross multiply
    10,385.94x = 15,578.76 × 4,836.18
  4. Step 4: Simplify right side
    10,385.94x = 75,341,687.54
  5. Step 5: Solve for x
    x = 75,341,687.54/10,385.94
  6. Step 6: Final answer
    x = 7,254.20

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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.