Home / 7,344.72-10,140.80-4,958.32

Finding the Fourth Proportional to 7,344.72, 10,140.80 and 4,958.32

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Solution

The fourth proportional to 7,344.72, 10,140.80 and 4,958.32 is: 6,845.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,344.72 : 10,140.80 = 4,958.32 : x
  2. Step 2: Convert to fraction form
    7,344.72/10,140.80 = 4,958.32/x
  3. Step 3: Cross multiply
    7,344.72x = 10,140.80 × 4,958.32
  4. Step 4: Simplify right side
    7,344.72x = 50,281,331.46
  5. Step 5: Solve for x
    x = 50,281,331.46/7,344.72
  6. Step 6: Final answer
    x = 6,845.92

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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.