Home / 8,923.11-12,313.05-5,337.35

Finding the Fourth Proportional to 8,923.11, 12,313.05 and 5,337.35

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Solution

The fourth proportional to 8,923.11, 12,313.05 and 5,337.35 is: 7,365.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.11 : 12,313.05 = 5,337.35 : x
  2. Step 2: Convert to fraction form
    8,923.11/12,313.05 = 5,337.35/x
  3. Step 3: Cross multiply
    8,923.11x = 12,313.05 × 5,337.35
  4. Step 4: Simplify right side
    8,923.11x = 65,718,995.85
  5. Step 5: Solve for x
    x = 65,718,995.85/8,923.11
  6. Step 6: Final answer
    x = 7,365.03

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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.