Home / 8,580.96-12,818.20-6,222.24

Finding the Fourth Proportional to 8,580.96, 12,818.20 and 6,222.24

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Solution

The fourth proportional to 8,580.96, 12,818.20 and 6,222.24 is: 9,294.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,580.96 : 12,818.20 = 6,222.24 : x
  2. Step 2: Convert to fraction form
    8,580.96/12,818.20 = 6,222.24/x
  3. Step 3: Cross multiply
    8,580.96x = 12,818.20 × 6,222.24
  4. Step 4: Simplify right side
    8,580.96x = 79,757,916.77
  5. Step 5: Solve for x
    x = 79,757,916.77/8,580.96
  6. Step 6: Final answer
    x = 9,294.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.