Home / 8,497.51-11,726.40-4,720.66

Finding the Fourth Proportional to 8,497.51, 11,726.40 and 4,720.66

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Solution

The fourth proportional to 8,497.51, 11,726.40 and 4,720.66 is: 6,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,497.51 : 11,726.40 = 4,720.66 : x
  2. Step 2: Convert to fraction form
    8,497.51/11,726.40 = 4,720.66/x
  3. Step 3: Cross multiply
    8,497.51x = 11,726.40 × 4,720.66
  4. Step 4: Simplify right side
    8,497.51x = 55,356,347.42
  5. Step 5: Solve for x
    x = 55,356,347.42/8,497.51
  6. Step 6: Final answer
    x = 6,514.42

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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.