Home / 10,255.47-14,152.97-5,779.41

Finding the Fourth Proportional to 10,255.47, 14,152.97 and 5,779.41

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Solution

The fourth proportional to 10,255.47, 14,152.97 and 5,779.41 is: 7,975.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255.47 : 14,152.97 = 5,779.41 : x
  2. Step 2: Convert to fraction form
    10,255.47/14,152.97 = 5,779.41/x
  3. Step 3: Cross multiply
    10,255.47x = 14,152.97 × 5,779.41
  4. Step 4: Simplify right side
    10,255.47x = 81,795,787.45
  5. Step 5: Solve for x
    x = 81,795,787.45/10,255.47
  6. Step 6: Final answer
    x = 7,975.82

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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.