Home / 11,188.58-15,440.31-6,152.63

Finding the Fourth Proportional to 11,188.58, 15,440.31 and 6,152.63

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Solution

The fourth proportional to 11,188.58, 15,440.31 and 6,152.63 is: 8,490.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.58 : 15,440.31 = 6,152.63 : x
  2. Step 2: Convert to fraction form
    11,188.58/15,440.31 = 6,152.63/x
  3. Step 3: Cross multiply
    11,188.58x = 15,440.31 × 6,152.63
  4. Step 4: Simplify right side
    11,188.58x = 94,998,437.31
  5. Step 5: Solve for x
    x = 94,998,437.31/11,188.58
  6. Step 6: Final answer
    x = 8,490.66

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Half scale
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Double scale
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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.