Home / 7,900.32-10,902.36-4,363.52

Finding the Fourth Proportional to 7,900.32, 10,902.36 and 4,363.52

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Solution

The fourth proportional to 7,900.32, 10,902.36 and 4,363.52 is: 6,021.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.32 : 10,902.36 = 4,363.52 : x
  2. Step 2: Convert to fraction form
    7,900.32/10,902.36 = 4,363.52/x
  3. Step 3: Cross multiply
    7,900.32x = 10,902.36 × 4,363.52
  4. Step 4: Simplify right side
    7,900.32x = 47,572,665.91
  5. Step 5: Solve for x
    x = 47,572,665.91/7,900.32
  6. Step 6: Final answer
    x = 6,021.61

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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.