Home / 10,645.84-15,970.68-4,402.46

Finding the Fourth Proportional to 10,645.84, 15,970.68 and 4,402.46

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Solution

The fourth proportional to 10,645.84, 15,970.68 and 4,402.46 is: 6,604.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.84 : 15,970.68 = 4,402.46 : x
  2. Step 2: Convert to fraction form
    10,645.84/15,970.68 = 4,402.46/x
  3. Step 3: Cross multiply
    10,645.84x = 15,970.68 × 4,402.46
  4. Step 4: Simplify right side
    10,645.84x = 70,310,178.01
  5. Step 5: Solve for x
    x = 70,310,178.01/10,645.84
  6. Step 6: Final answer
    x = 6,604.48

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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.