Home / 11,203.34-15,459.27-6,486.98

Finding the Fourth Proportional to 11,203.34, 15,459.27 and 6,486.98

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Solution

The fourth proportional to 11,203.34, 15,459.27 and 6,486.98 is: 8,951.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,203.34 : 15,459.27 = 6,486.98 : x
  2. Step 2: Convert to fraction form
    11,203.34/15,459.27 = 6,486.98/x
  3. Step 3: Cross multiply
    11,203.34x = 15,459.27 × 6,486.98
  4. Step 4: Simplify right side
    11,203.34x = 100,283,975.30
  5. Step 5: Solve for x
    x = 100,283,975.30/11,203.34
  6. Step 6: Final answer
    x = 8,951.26

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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.