Home / 10,341.44-15,395.20-10,279.94

Finding the Fourth Proportional to 10,341.44, 15,395.20 and 10,279.94

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Solution

The fourth proportional to 10,341.44, 15,395.20 and 10,279.94 is: 15,303.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.44 : 15,395.20 = 10,279.94 : x
  2. Step 2: Convert to fraction form
    10,341.44/15,395.20 = 10,279.94/x
  3. Step 3: Cross multiply
    10,341.44x = 15,395.20 × 10,279.94
  4. Step 4: Simplify right side
    10,341.44x = 158,261,629.61
  5. Step 5: Solve for x
    x = 158,261,629.61/10,341.44
  6. Step 6: Final answer
    x = 15,303.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.