Home / 11,118.48-15,342.60-6,150.48

Finding the Fourth Proportional to 11,118.48, 15,342.60 and 6,150.48

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Solution

The fourth proportional to 11,118.48, 15,342.60 and 6,150.48 is: 8,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.48 : 15,342.60 = 6,150.48 : x
  2. Step 2: Convert to fraction form
    11,118.48/15,342.60 = 6,150.48/x
  3. Step 3: Cross multiply
    11,118.48x = 15,342.60 × 6,150.48
  4. Step 4: Simplify right side
    11,118.48x = 94,364,354.45
  5. Step 5: Solve for x
    x = 94,364,354.45/11,118.48
  6. Step 6: Final answer
    x = 8,487.16

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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.