Home / 12,246.55-16,901.44-7,212.35

Finding the Fourth Proportional to 12,246.55, 16,901.44 and 7,212.35

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Solution

The fourth proportional to 12,246.55, 16,901.44 and 7,212.35 is: 9,953.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.55 : 16,901.44 = 7,212.35 : x
  2. Step 2: Convert to fraction form
    12,246.55/16,901.44 = 7,212.35/x
  3. Step 3: Cross multiply
    12,246.55x = 16,901.44 × 7,212.35
  4. Step 4: Simplify right side
    12,246.55x = 121,899,125.01
  5. Step 5: Solve for x
    x = 121,899,125.01/12,246.55
  6. Step 6: Final answer
    x = 9,953.75

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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.