Home / 11,750.49-16,206.51-7,276.72

Finding the Fourth Proportional to 11,750.49, 16,206.51 and 7,276.72

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Solution

The fourth proportional to 11,750.49, 16,206.51 and 7,276.72 is: 10,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.49 : 16,206.51 = 7,276.72 : x
  2. Step 2: Convert to fraction form
    11,750.49/16,206.51 = 7,276.72/x
  3. Step 3: Cross multiply
    11,750.49x = 16,206.51 × 7,276.72
  4. Step 4: Simplify right side
    11,750.49x = 117,930,235.45
  5. Step 5: Solve for x
    x = 117,930,235.45/11,750.49
  6. Step 6: Final answer
    x = 10,036.20

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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.