Home / 8,567.12-12,840.18-4,872.44

Finding the Fourth Proportional to 8,567.12, 12,840.18 and 4,872.44

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Solution

The fourth proportional to 8,567.12, 12,840.18 and 4,872.44 is: 7,302.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,567.12 : 12,840.18 = 4,872.44 : x
  2. Step 2: Convert to fraction form
    8,567.12/12,840.18 = 4,872.44/x
  3. Step 3: Cross multiply
    8,567.12x = 12,840.18 × 4,872.44
  4. Step 4: Simplify right side
    8,567.12x = 62,563,006.64
  5. Step 5: Solve for x
    x = 62,563,006.64/8,567.12
  6. Step 6: Final answer
    x = 7,302.69

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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.