Home / 7,212.53-9,953.33-4,068.92

Finding the Fourth Proportional to 7,212.53, 9,953.33 and 4,068.92

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Solution

The fourth proportional to 7,212.53, 9,953.33 and 4,068.92 is: 5,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.53 : 9,953.33 = 4,068.92 : x
  2. Step 2: Convert to fraction form
    7,212.53/9,953.33 = 4,068.92/x
  3. Step 3: Cross multiply
    7,212.53x = 9,953.33 × 4,068.92
  4. Step 4: Simplify right side
    7,212.53x = 40,499,233.39
  5. Step 5: Solve for x
    x = 40,499,233.39/7,212.53
  6. Step 6: Final answer
    x = 5,615.13

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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.