Home / 9,167.15-12,650.67-4,975.40

Finding the Fourth Proportional to 9,167.15, 12,650.67 and 4,975.40

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Solution

The fourth proportional to 9,167.15, 12,650.67 and 4,975.40 is: 6,866.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,167.15 : 12,650.67 = 4,975.40 : x
  2. Step 2: Convert to fraction form
    9,167.15/12,650.67 = 4,975.40/x
  3. Step 3: Cross multiply
    9,167.15x = 12,650.67 × 4,975.40
  4. Step 4: Simplify right side
    9,167.15x = 62,942,143.52
  5. Step 5: Solve for x
    x = 62,942,143.52/9,167.15
  6. Step 6: Final answer
    x = 6,866.05

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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.