Home / 11,775.22-16,250.58-6,470.08

Finding the Fourth Proportional to 11,775.22, 16,250.58 and 6,470.08

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Solution

The fourth proportional to 11,775.22, 16,250.58 and 6,470.08 is: 8,929.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.22 : 16,250.58 = 6,470.08 : x
  2. Step 2: Convert to fraction form
    11,775.22/16,250.58 = 6,470.08/x
  3. Step 3: Cross multiply
    11,775.22x = 16,250.58 × 6,470.08
  4. Step 4: Simplify right side
    11,775.22x = 105,142,552.65
  5. Step 5: Solve for x
    x = 105,142,552.65/11,775.22
  6. Step 6: Final answer
    x = 8,929.14

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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.