Home / 11,177.10-15,423.48-6,141.06

Finding the Fourth Proportional to 11,177.10, 15,423.48 and 6,141.06

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Solution

The fourth proportional to 11,177.10, 15,423.48 and 6,141.06 is: 8,474.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,177.10 : 15,423.48 = 6,141.06 : x
  2. Step 2: Convert to fraction form
    11,177.10/15,423.48 = 6,141.06/x
  3. Step 3: Cross multiply
    11,177.10x = 15,423.48 × 6,141.06
  4. Step 4: Simplify right side
    11,177.10x = 94,716,516.09
  5. Step 5: Solve for x
    x = 94,716,516.09/11,177.10
  6. Step 6: Final answer
    x = 8,474.16

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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.