Home / 11,373.04-15,673.80-8,223.76

Finding the Fourth Proportional to 11,373.04, 15,673.80 and 8,223.76

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Solution

The fourth proportional to 11,373.04, 15,673.80 and 8,223.76 is: 11,333.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,373.04 : 15,673.80 = 8,223.76 : x
  2. Step 2: Convert to fraction form
    11,373.04/15,673.80 = 8,223.76/x
  3. Step 3: Cross multiply
    11,373.04x = 15,673.80 × 8,223.76
  4. Step 4: Simplify right side
    11,373.04x = 128,897,569.49
  5. Step 5: Solve for x
    x = 128,897,569.49/11,373.04
  6. Step 6: Final answer
    x = 11,333.61

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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.