Home / 10,240.38-15,356.04-4,697.22

Finding the Fourth Proportional to 10,240.38, 15,356.04 and 4,697.22

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Solution

The fourth proportional to 10,240.38, 15,356.04 and 4,697.22 is: 7,043.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,240.38 : 15,356.04 = 4,697.22 : x
  2. Step 2: Convert to fraction form
    10,240.38/15,356.04 = 4,697.22/x
  3. Step 3: Cross multiply
    10,240.38x = 15,356.04 × 4,697.22
  4. Step 4: Simplify right side
    10,240.38x = 72,130,698.21
  5. Step 5: Solve for x
    x = 72,130,698.21/10,240.38
  6. Step 6: Final answer
    x = 7,043.75

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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.