Home / 7,182.06-9,911.22-4,038.24

Finding the Fourth Proportional to 7,182.06, 9,911.22 and 4,038.24

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Solution

The fourth proportional to 7,182.06, 9,911.22 and 4,038.24 is: 5,572.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.06 : 9,911.22 = 4,038.24 : x
  2. Step 2: Convert to fraction form
    7,182.06/9,911.22 = 4,038.24/x
  3. Step 3: Cross multiply
    7,182.06x = 9,911.22 × 4,038.24
  4. Step 4: Simplify right side
    7,182.06x = 40,023,885.05
  5. Step 5: Solve for x
    x = 40,023,885.05/7,182.06
  6. Step 6: Final answer
    x = 5,572.76

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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.