Home / 10,311.02-15,454.56-4,752.68

Finding the Fourth Proportional to 10,311.02, 15,454.56 and 4,752.68

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Solution

The fourth proportional to 10,311.02, 15,454.56 and 4,752.68 is: 7,123.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,311.02 : 15,454.56 = 4,752.68 : x
  2. Step 2: Convert to fraction form
    10,311.02/15,454.56 = 4,752.68/x
  3. Step 3: Cross multiply
    10,311.02x = 15,454.56 × 4,752.68
  4. Step 4: Simplify right side
    10,311.02x = 73,450,500.95
  5. Step 5: Solve for x
    x = 73,450,500.95/10,311.02
  6. Step 6: Final answer
    x = 7,123.50

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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.