Home / 10,401.71-15,602.57-3,476.21

Finding the Fourth Proportional to 10,401.71, 15,602.57 and 3,476.21

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Solution

The fourth proportional to 10,401.71, 15,602.57 and 3,476.21 is: 5,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401.71 : 15,602.57 = 3,476.21 : x
  2. Step 2: Convert to fraction form
    10,401.71/15,602.57 = 3,476.21/x
  3. Step 3: Cross multiply
    10,401.71x = 15,602.57 × 3,476.21
  4. Step 4: Simplify right side
    10,401.71x = 54,237,714.47
  5. Step 5: Solve for x
    x = 54,237,714.47/10,401.71
  6. Step 6: Final answer
    x = 5,214.31

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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.