Home / 12,278.46-16,954.26-10,010.16

Finding the Fourth Proportional to 12,278.46, 16,954.26 and 10,010.16

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Solution

The fourth proportional to 12,278.46, 16,954.26 and 10,010.16 is: 13,822.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,278.46 : 16,954.26 = 10,010.16 : x
  2. Step 2: Convert to fraction form
    12,278.46/16,954.26 = 10,010.16/x
  3. Step 3: Cross multiply
    12,278.46x = 16,954.26 × 10,010.16
  4. Step 4: Simplify right side
    12,278.46x = 169,714,855.28
  5. Step 5: Solve for x
    x = 169,714,855.28/12,278.46
  6. Step 6: Final answer
    x = 13,822.16

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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.