Home / 8,254.17-11,390.57-4,668.65

Finding the Fourth Proportional to 8,254.17, 11,390.57 and 4,668.65

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Solution

The fourth proportional to 8,254.17, 11,390.57 and 4,668.65 is: 6,442.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.17 : 11,390.57 = 4,668.65 : x
  2. Step 2: Convert to fraction form
    8,254.17/11,390.57 = 4,668.65/x
  3. Step 3: Cross multiply
    8,254.17x = 11,390.57 × 4,668.65
  4. Step 4: Simplify right side
    8,254.17x = 53,178,584.63
  5. Step 5: Solve for x
    x = 53,178,584.63/8,254.17
  6. Step 6: Final answer
    x = 6,442.63

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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.