Home / 8,667.02-12,999.72-2,427.59

Finding the Fourth Proportional to 8,667.02, 12,999.72 and 2,427.59

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Solution

The fourth proportional to 8,667.02, 12,999.72 and 2,427.59 is: 3,641.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667.02 : 12,999.72 = 2,427.59 : x
  2. Step 2: Convert to fraction form
    8,667.02/12,999.72 = 2,427.59/x
  3. Step 3: Cross multiply
    8,667.02x = 12,999.72 × 2,427.59
  4. Step 4: Simplify right side
    8,667.02x = 31,557,990.27
  5. Step 5: Solve for x
    x = 31,557,990.27/8,667.02
  6. Step 6: Final answer
    x = 3,641.16

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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.