Home / 11,506.52-15,879.06-6,470.96

Finding the Fourth Proportional to 11,506.52, 15,879.06 and 6,470.96

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Solution

The fourth proportional to 11,506.52, 15,879.06 and 6,470.96 is: 8,929.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,506.52 : 15,879.06 = 6,470.96 : x
  2. Step 2: Convert to fraction form
    11,506.52/15,879.06 = 6,470.96/x
  3. Step 3: Cross multiply
    11,506.52x = 15,879.06 × 6,470.96
  4. Step 4: Simplify right side
    11,506.52x = 102,752,762.10
  5. Step 5: Solve for x
    x = 102,752,762.10/11,506.52
  6. Step 6: Final answer
    x = 8,929.96

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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.