Home / 10,344.30-14,275.20-5,628.61

Finding the Fourth Proportional to 10,344.30, 14,275.20 and 5,628.61

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Solution

The fourth proportional to 10,344.30, 14,275.20 and 5,628.61 is: 7,767.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,344.30 : 14,275.20 = 5,628.61 : x
  2. Step 2: Convert to fraction form
    10,344.30/14,275.20 = 5,628.61/x
  3. Step 3: Cross multiply
    10,344.30x = 14,275.20 × 5,628.61
  4. Step 4: Simplify right side
    10,344.30x = 80,349,533.47
  5. Step 5: Solve for x
    x = 80,349,533.47/10,344.30
  6. Step 6: Final answer
    x = 7,767.52

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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.