Home / 7,341.24-11,011.86-2,721.72

Finding the Fourth Proportional to 7,341.24, 11,011.86 and 2,721.72

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Solution

The fourth proportional to 7,341.24, 11,011.86 and 2,721.72 is: 4,082.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.24 : 11,011.86 = 2,721.72 : x
  2. Step 2: Convert to fraction form
    7,341.24/11,011.86 = 2,721.72/x
  3. Step 3: Cross multiply
    7,341.24x = 11,011.86 × 2,721.72
  4. Step 4: Simplify right side
    7,341.24x = 29,971,199.60
  5. Step 5: Solve for x
    x = 29,971,199.60/7,341.24
  6. Step 6: Final answer
    x = 4,082.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.