Home / 10,423.61-15,637.84-3,028.21

Finding the Fourth Proportional to 10,423.61, 15,637.84 and 3,028.21

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Solution

The fourth proportional to 10,423.61, 15,637.84 and 3,028.21 is: 4,543.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423.61 : 15,637.84 = 3,028.21 : x
  2. Step 2: Convert to fraction form
    10,423.61/15,637.84 = 3,028.21/x
  3. Step 3: Cross multiply
    10,423.61x = 15,637.84 × 3,028.21
  4. Step 4: Simplify right side
    10,423.61x = 47,354,663.47
  5. Step 5: Solve for x
    x = 47,354,663.47/10,423.61
  6. Step 6: Final answer
    x = 4,543.02

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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.