Home / 11,176.24-15,423.22-6,140.79

Finding the Fourth Proportional to 11,176.24, 15,423.22 and 6,140.79

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Solution

The fourth proportional to 11,176.24, 15,423.22 and 6,140.79 is: 8,474.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.24 : 15,423.22 = 6,140.79 : x
  2. Step 2: Convert to fraction form
    11,176.24/15,423.22 = 6,140.79/x
  3. Step 3: Cross multiply
    11,176.24x = 15,423.22 × 6,140.79
  4. Step 4: Simplify right side
    11,176.24x = 94,710,678.03
  5. Step 5: Solve for x
    x = 94,710,678.03/11,176.24
  6. Step 6: Final answer
    x = 8,474.29

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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.