Home / 12,295.08-16,966.71-6,917.40

Finding the Fourth Proportional to 12,295.08, 16,966.71 and 6,917.40

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Solution

The fourth proportional to 12,295.08, 16,966.71 and 6,917.40 is: 9,545.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295.08 : 16,966.71 = 6,917.40 : x
  2. Step 2: Convert to fraction form
    12,295.08/16,966.71 = 6,917.40/x
  3. Step 3: Cross multiply
    12,295.08x = 16,966.71 × 6,917.40
  4. Step 4: Simplify right side
    12,295.08x = 117,365,519.75
  5. Step 5: Solve for x
    x = 117,365,519.75/12,295.08
  6. Step 6: Final answer
    x = 9,545.73

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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.