Home / 11,013.32-15,177.38-10,810.87

Finding the Fourth Proportional to 11,013.32, 15,177.38 and 10,810.87

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Solution

The fourth proportional to 11,013.32, 15,177.38 and 10,810.87 is: 14,898.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.32 : 15,177.38 = 10,810.87 : x
  2. Step 2: Convert to fraction form
    11,013.32/15,177.38 = 10,810.87/x
  3. Step 3: Cross multiply
    11,013.32x = 15,177.38 × 10,810.87
  4. Step 4: Simplify right side
    11,013.32x = 164,080,682.12
  5. Step 5: Solve for x
    x = 164,080,682.12/11,013.32
  6. Step 6: Final answer
    x = 14,898.39

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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.