Home / 8,497.76-11,726.75-4,720.91

Finding the Fourth Proportional to 8,497.76, 11,726.75 and 4,720.91

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Solution

The fourth proportional to 8,497.76, 11,726.75 and 4,720.91 is: 6,514.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,497.76 : 11,726.75 = 4,720.91 : x
  2. Step 2: Convert to fraction form
    8,497.76/11,726.75 = 4,720.91/x
  3. Step 3: Cross multiply
    8,497.76x = 11,726.75 × 4,720.91
  4. Step 4: Simplify right side
    8,497.76x = 55,360,907.74
  5. Step 5: Solve for x
    x = 55,360,907.74/8,497.76
  6. Step 6: Final answer
    x = 6,514.76

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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.