Home / 8,975.88-12,373.85-6,315.03

Finding the Fourth Proportional to 8,975.88, 12,373.85 and 6,315.03

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Solution

The fourth proportional to 8,975.88, 12,373.85 and 6,315.03 is: 8,705.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.88 : 12,373.85 = 6,315.03 : x
  2. Step 2: Convert to fraction form
    8,975.88/12,373.85 = 6,315.03/x
  3. Step 3: Cross multiply
    8,975.88x = 12,373.85 × 6,315.03
  4. Step 4: Simplify right side
    8,975.88x = 78,141,249.75
  5. Step 5: Solve for x
    x = 78,141,249.75/8,975.88
  6. Step 6: Final answer
    x = 8,705.69

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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.