Home / 10,329.50-15,473.46-4,775.20

Finding the Fourth Proportional to 10,329.50, 15,473.46 and 4,775.20

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Solution

The fourth proportional to 10,329.50, 15,473.46 and 4,775.20 is: 7,153.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,329.50 : 15,473.46 = 4,775.20 : x
  2. Step 2: Convert to fraction form
    10,329.50/15,473.46 = 4,775.20/x
  3. Step 3: Cross multiply
    10,329.50x = 15,473.46 × 4,775.20
  4. Step 4: Simplify right side
    10,329.50x = 73,888,845.42
  5. Step 5: Solve for x
    x = 73,888,845.42/10,329.50
  6. Step 6: Final answer
    x = 7,153.19

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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.