Home / 7,267.12-10,027.76-4,123.20

Finding the Fourth Proportional to 7,267.12, 10,027.76 and 4,123.20

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Solution

The fourth proportional to 7,267.12, 10,027.76 and 4,123.20 is: 5,689.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,267.12 : 10,027.76 = 4,123.20 : x
  2. Step 2: Convert to fraction form
    7,267.12/10,027.76 = 4,123.20/x
  3. Step 3: Cross multiply
    7,267.12x = 10,027.76 × 4,123.20
  4. Step 4: Simplify right side
    7,267.12x = 41,346,460.03
  5. Step 5: Solve for x
    x = 41,346,460.03/7,267.12
  6. Step 6: Final answer
    x = 5,689.52

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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.