Home / 7,260.12-10,018.20-4,275.76

Finding the Fourth Proportional to 7,260.12, 10,018.20 and 4,275.76

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Solution

The fourth proportional to 7,260.12, 10,018.20 and 4,275.76 is: 5,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.12 : 10,018.20 = 4,275.76 : x
  2. Step 2: Convert to fraction form
    7,260.12/10,018.20 = 4,275.76/x
  3. Step 3: Cross multiply
    7,260.12x = 10,018.20 × 4,275.76
  4. Step 4: Simplify right side
    7,260.12x = 42,835,418.83
  5. Step 5: Solve for x
    x = 42,835,418.83/7,260.12
  6. Step 6: Final answer
    x = 5,900.10

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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.