Home / 10,482.20-15,724.38-3,460.16

Finding the Fourth Proportional to 10,482.20, 15,724.38 and 3,460.16

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Solution

The fourth proportional to 10,482.20, 15,724.38 and 3,460.16 is: 5,190.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,482.20 : 15,724.38 = 3,460.16 : x
  2. Step 2: Convert to fraction form
    10,482.20/15,724.38 = 3,460.16/x
  3. Step 3: Cross multiply
    10,482.20x = 15,724.38 × 3,460.16
  4. Step 4: Simplify right side
    10,482.20x = 54,408,870.70
  5. Step 5: Solve for x
    x = 54,408,870.70/10,482.20
  6. Step 6: Final answer
    x = 5,190.60

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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.