Home / 11,259.52-15,538.08-6,291.52

Finding the Fourth Proportional to 11,259.52, 15,538.08 and 6,291.52

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Solution

The fourth proportional to 11,259.52, 15,538.08 and 6,291.52 is: 8,682.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.52 : 15,538.08 = 6,291.52 : x
  2. Step 2: Convert to fraction form
    11,259.52/15,538.08 = 6,291.52/x
  3. Step 3: Cross multiply
    11,259.52x = 15,538.08 × 6,291.52
  4. Step 4: Simplify right side
    11,259.52x = 97,758,141.08
  5. Step 5: Solve for x
    x = 97,758,141.08/11,259.52
  6. Step 6: Final answer
    x = 8,682.27

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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.