Home / 7,972.79-11,003.12-4,436.67

Finding the Fourth Proportional to 7,972.79, 11,003.12 and 4,436.67

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Solution

The fourth proportional to 7,972.79, 11,003.12 and 4,436.67 is: 6,122.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.79 : 11,003.12 = 4,436.67 : x
  2. Step 2: Convert to fraction form
    7,972.79/11,003.12 = 4,436.67/x
  3. Step 3: Cross multiply
    7,972.79x = 11,003.12 × 4,436.67
  4. Step 4: Simplify right side
    7,972.79x = 48,817,206.86
  5. Step 5: Solve for x
    x = 48,817,206.86/7,972.79
  6. Step 6: Final answer
    x = 6,122.97

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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.