Home / 7,226.06-9,973.62-4,242.85

Finding the Fourth Proportional to 7,226.06, 9,973.62 and 4,242.85

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Solution

The fourth proportional to 7,226.06, 9,973.62 and 4,242.85 is: 5,856.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226.06 : 9,973.62 = 4,242.85 : x
  2. Step 2: Convert to fraction form
    7,226.06/9,973.62 = 4,242.85/x
  3. Step 3: Cross multiply
    7,226.06x = 9,973.62 × 4,242.85
  4. Step 4: Simplify right side
    7,226.06x = 42,316,548.68
  5. Step 5: Solve for x
    x = 42,316,548.68/7,226.06
  6. Step 6: Final answer
    x = 5,856.11

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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.