Home / 7,015.83-10,521.12-2,572.05

Finding the Fourth Proportional to 7,015.83, 10,521.12 and 2,572.05

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Solution

The fourth proportional to 7,015.83, 10,521.12 and 2,572.05 is: 3,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.83 : 10,521.12 = 2,572.05 : x
  2. Step 2: Convert to fraction form
    7,015.83/10,521.12 = 2,572.05/x
  3. Step 3: Cross multiply
    7,015.83x = 10,521.12 × 2,572.05
  4. Step 4: Simplify right side
    7,015.83x = 27,060,846.70
  5. Step 5: Solve for x
    x = 27,060,846.70/7,015.83
  6. Step 6: Final answer
    x = 3,857.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.