Home / 9,339.30-12,872.93-7,567.83

Finding the Fourth Proportional to 9,339.30, 12,872.93 and 7,567.83

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Solution

The fourth proportional to 9,339.30, 12,872.93 and 7,567.83 is: 10,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339.30 : 12,872.93 = 7,567.83 : x
  2. Step 2: Convert to fraction form
    9,339.30/12,872.93 = 7,567.83/x
  3. Step 3: Cross multiply
    9,339.30x = 12,872.93 × 7,567.83
  4. Step 4: Simplify right side
    9,339.30x = 97,420,108.00
  5. Step 5: Solve for x
    x = 97,420,108.00/9,339.30
  6. Step 6: Final answer
    x = 10,431.20

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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.