Home / 10,341.20-14,270.45-5,625.38

Finding the Fourth Proportional to 10,341.20, 14,270.45 and 5,625.38

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Solution

The fourth proportional to 10,341.20, 14,270.45 and 5,625.38 is: 7,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.20 : 14,270.45 = 5,625.38 : x
  2. Step 2: Convert to fraction form
    10,341.20/14,270.45 = 5,625.38/x
  3. Step 3: Cross multiply
    10,341.20x = 14,270.45 × 5,625.38
  4. Step 4: Simplify right side
    10,341.20x = 80,276,711.57
  5. Step 5: Solve for x
    x = 80,276,711.57/10,341.20
  6. Step 6: Final answer
    x = 7,762.80

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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.