Home / 11,352.86-15,668.33-6,876.50

Finding the Fourth Proportional to 11,352.86, 15,668.33 and 6,876.50

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Solution

The fourth proportional to 11,352.86, 15,668.33 and 6,876.50 is: 9,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.86 : 15,668.33 = 6,876.50 : x
  2. Step 2: Convert to fraction form
    11,352.86/15,668.33 = 6,876.50/x
  3. Step 3: Cross multiply
    11,352.86x = 15,668.33 × 6,876.50
  4. Step 4: Simplify right side
    11,352.86x = 107,743,158.52
  5. Step 5: Solve for x
    x = 107,743,158.52/11,352.86
  6. Step 6: Final answer
    x = 9,490.40

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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.