Home / 11,903.68-16,427.52-8,366.08

Finding the Fourth Proportional to 11,903.68, 16,427.52 and 8,366.08

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Solution

The fourth proportional to 11,903.68, 16,427.52 and 8,366.08 is: 11,545.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.68 : 16,427.52 = 8,366.08 : x
  2. Step 2: Convert to fraction form
    11,903.68/16,427.52 = 8,366.08/x
  3. Step 3: Cross multiply
    11,903.68x = 16,427.52 × 8,366.08
  4. Step 4: Simplify right side
    11,903.68x = 137,433,946.52
  5. Step 5: Solve for x
    x = 137,433,946.52/11,903.68
  6. Step 6: Final answer
    x = 11,545.50

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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.