Home / 10,179.84-15,269.28-4,980.48

Finding the Fourth Proportional to 10,179.84, 15,269.28 and 4,980.48

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Solution

The fourth proportional to 10,179.84, 15,269.28 and 4,980.48 is: 7,470.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179.84 : 15,269.28 = 4,980.48 : x
  2. Step 2: Convert to fraction form
    10,179.84/15,269.28 = 4,980.48/x
  3. Step 3: Cross multiply
    10,179.84x = 15,269.28 × 4,980.48
  4. Step 4: Simplify right side
    10,179.84x = 76,048,343.65
  5. Step 5: Solve for x
    x = 76,048,343.65/10,179.84
  6. Step 6: Final answer
    x = 7,470.49

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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.