Home / 10,340.92-14,270.28-5,625.16

Finding the Fourth Proportional to 10,340.92, 14,270.28 and 5,625.16

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Solution

The fourth proportional to 10,340.92, 14,270.28 and 5,625.16 is: 7,762.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340.92 : 14,270.28 = 5,625.16 : x
  2. Step 2: Convert to fraction form
    10,340.92/14,270.28 = 5,625.16/x
  3. Step 3: Cross multiply
    10,340.92x = 14,270.28 × 5,625.16
  4. Step 4: Simplify right side
    10,340.92x = 80,272,608.24
  5. Step 5: Solve for x
    x = 80,272,608.24/10,340.92
  6. Step 6: Final answer
    x = 7,762.62

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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.