Home / 11,359.72-15,675.95-6,323.79

Finding the Fourth Proportional to 11,359.72, 15,675.95 and 6,323.79

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Solution

The fourth proportional to 11,359.72, 15,675.95 and 6,323.79 is: 8,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,359.72 : 15,675.95 = 6,323.79 : x
  2. Step 2: Convert to fraction form
    11,359.72/15,675.95 = 6,323.79/x
  3. Step 3: Cross multiply
    11,359.72x = 15,675.95 × 6,323.79
  4. Step 4: Simplify right side
    11,359.72x = 99,131,423.42
  5. Step 5: Solve for x
    x = 99,131,423.42/11,359.72
  6. Step 6: Final answer
    x = 8,726.57

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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.