Home / 7,212.24-9,953.28-4,068.36

Finding the Fourth Proportional to 7,212.24, 9,953.28 and 4,068.36

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Solution

The fourth proportional to 7,212.24, 9,953.28 and 4,068.36 is: 5,614.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.24 : 9,953.28 = 4,068.36 : x
  2. Step 2: Convert to fraction form
    7,212.24/9,953.28 = 4,068.36/x
  3. Step 3: Cross multiply
    7,212.24x = 9,953.28 × 4,068.36
  4. Step 4: Simplify right side
    7,212.24x = 40,493,526.22
  5. Step 5: Solve for x
    x = 40,493,526.22/7,212.24
  6. Step 6: Final answer
    x = 5,614.56

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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.