Home / 7,213.12-9,953.28-4,417.92

Finding the Fourth Proportional to 7,213.12, 9,953.28 and 4,417.92

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Solution

The fourth proportional to 7,213.12, 9,953.28 and 4,417.92 is: 6,096.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213.12 : 9,953.28 = 4,417.92 : x
  2. Step 2: Convert to fraction form
    7,213.12/9,953.28 = 4,417.92/x
  3. Step 3: Cross multiply
    7,213.12x = 9,953.28 × 4,417.92
  4. Step 4: Simplify right side
    7,213.12x = 43,972,794.78
  5. Step 5: Solve for x
    x = 43,972,794.78/7,213.12
  6. Step 6: Final answer
    x = 6,096.22

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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.