Home / 9,247.86-12,772.35-8,548.02

Finding the Fourth Proportional to 9,247.86, 12,772.35 and 8,548.02

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Solution

The fourth proportional to 9,247.86, 12,772.35 and 8,548.02 is: 11,805.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,247.86 : 12,772.35 = 8,548.02 : x
  2. Step 2: Convert to fraction form
    9,247.86/12,772.35 = 8,548.02/x
  3. Step 3: Cross multiply
    9,247.86x = 12,772.35 × 8,548.02
  4. Step 4: Simplify right side
    9,247.86x = 109,178,303.25
  5. Step 5: Solve for x
    x = 109,178,303.25/9,247.86
  6. Step 6: Final answer
    x = 11,805.79

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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.