Home / 10,278.06-15,424.02-4,435.26

Finding the Fourth Proportional to 10,278.06, 15,424.02 and 4,435.26

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Solution

The fourth proportional to 10,278.06, 15,424.02 and 4,435.26 is: 6,655.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278.06 : 15,424.02 = 4,435.26 : x
  2. Step 2: Convert to fraction form
    10,278.06/15,424.02 = 4,435.26/x
  3. Step 3: Cross multiply
    10,278.06x = 15,424.02 × 4,435.26
  4. Step 4: Simplify right side
    10,278.06x = 68,409,538.95
  5. Step 5: Solve for x
    x = 68,409,538.95/10,278.06
  6. Step 6: Final answer
    x = 6,655.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.