Home / 11,122.27-16,666.12-7,009.63

Finding the Fourth Proportional to 11,122.27, 16,666.12 and 7,009.63

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Solution

The fourth proportional to 11,122.27, 16,666.12 and 7,009.63 is: 10,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.27 : 16,666.12 = 7,009.63 : x
  2. Step 2: Convert to fraction form
    11,122.27/16,666.12 = 7,009.63/x
  3. Step 3: Cross multiply
    11,122.27x = 16,666.12 × 7,009.63
  4. Step 4: Simplify right side
    11,122.27x = 116,823,334.74
  5. Step 5: Solve for x
    x = 116,823,334.74/11,122.27
  6. Step 6: Final answer
    x = 10,503.55

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.