Home / 10,031.66-13,844.47-5,555.83

Finding the Fourth Proportional to 10,031.66, 13,844.47 and 5,555.83

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Solution

The fourth proportional to 10,031.66, 13,844.47 and 5,555.83 is: 7,667.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.66 : 13,844.47 = 5,555.83 : x
  2. Step 2: Convert to fraction form
    10,031.66/13,844.47 = 5,555.83/x
  3. Step 3: Cross multiply
    10,031.66x = 13,844.47 × 5,555.83
  4. Step 4: Simplify right side
    10,031.66x = 76,917,521.76
  5. Step 5: Solve for x
    x = 76,917,521.76/10,031.66
  6. Step 6: Final answer
    x = 7,667.48

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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.