Home / 11,259.59-15,538.19-6,291.59

Finding the Fourth Proportional to 11,259.59, 15,538.19 and 6,291.59

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Solution

The fourth proportional to 11,259.59, 15,538.19 and 6,291.59 is: 8,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.59 : 15,538.19 = 6,291.59 : x
  2. Step 2: Convert to fraction form
    11,259.59/15,538.19 = 6,291.59/x
  3. Step 3: Cross multiply
    11,259.59x = 15,538.19 × 6,291.59
  4. Step 4: Simplify right side
    11,259.59x = 97,759,811.67
  5. Step 5: Solve for x
    x = 97,759,811.67/11,259.59
  6. Step 6: Final answer
    x = 8,682.36

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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.