Home / 7,249.32-10,004.18-5,657.76

Finding the Fourth Proportional to 7,249.32, 10,004.18 and 5,657.76

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Solution

The fourth proportional to 7,249.32, 10,004.18 and 5,657.76 is: 7,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,249.32 : 10,004.18 = 5,657.76 : x
  2. Step 2: Convert to fraction form
    7,249.32/10,004.18 = 5,657.76/x
  3. Step 3: Cross multiply
    7,249.32x = 10,004.18 × 5,657.76
  4. Step 4: Simplify right side
    7,249.32x = 56,601,249.44
  5. Step 5: Solve for x
    x = 56,601,249.44/7,249.32
  6. Step 6: Final answer
    x = 7,807.80

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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.