Home / 12,472.95-17,212.68-6,807.59

Finding the Fourth Proportional to 12,472.95, 17,212.68 and 6,807.59

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Solution

The fourth proportional to 12,472.95, 17,212.68 and 6,807.59 is: 9,394.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472.95 : 17,212.68 = 6,807.59 : x
  2. Step 2: Convert to fraction form
    12,472.95/17,212.68 = 6,807.59/x
  3. Step 3: Cross multiply
    12,472.95x = 17,212.68 × 6,807.59
  4. Step 4: Simplify right side
    12,472.95x = 117,176,924.40
  5. Step 5: Solve for x
    x = 117,176,924.40/12,472.95
  6. Step 6: Final answer
    x = 9,394.48

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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.