Home / 7,943.38-10,962.09-4,358.50

Finding the Fourth Proportional to 7,943.38, 10,962.09 and 4,358.50

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Solution

The fourth proportional to 7,943.38, 10,962.09 and 4,358.50 is: 6,014.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.38 : 10,962.09 = 4,358.50 : x
  2. Step 2: Convert to fraction form
    7,943.38/10,962.09 = 4,358.50/x
  3. Step 3: Cross multiply
    7,943.38x = 10,962.09 × 4,358.50
  4. Step 4: Simplify right side
    7,943.38x = 47,778,269.27
  5. Step 5: Solve for x
    x = 47,778,269.27/7,943.38
  6. Step 6: Final answer
    x = 6,014.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.