Home / 10,001.46-13,803.21-5,809.71

Finding the Fourth Proportional to 10,001.46, 13,803.21 and 5,809.71

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Solution

The fourth proportional to 10,001.46, 13,803.21 and 5,809.71 is: 8,018.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.46 : 13,803.21 = 5,809.71 : x
  2. Step 2: Convert to fraction form
    10,001.46/13,803.21 = 5,809.71/x
  3. Step 3: Cross multiply
    10,001.46x = 13,803.21 × 5,809.71
  4. Step 4: Simplify right side
    10,001.46x = 80,192,647.17
  5. Step 5: Solve for x
    x = 80,192,647.17/10,001.46
  6. Step 6: Final answer
    x = 8,018.09

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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.