Home / 10,152.95-15,219.05-5,761.13

Finding the Fourth Proportional to 10,152.95, 15,219.05 and 5,761.13

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Solution

The fourth proportional to 10,152.95, 15,219.05 and 5,761.13 is: 8,635.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.95 : 15,219.05 = 5,761.13 : x
  2. Step 2: Convert to fraction form
    10,152.95/15,219.05 = 5,761.13/x
  3. Step 3: Cross multiply
    10,152.95x = 15,219.05 × 5,761.13
  4. Step 4: Simplify right side
    10,152.95x = 87,678,820.63
  5. Step 5: Solve for x
    x = 87,678,820.63/10,152.95
  6. Step 6: Final answer
    x = 8,635.80

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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.