Home / 11,152.46-15,390.54-6,116.66

Finding the Fourth Proportional to 11,152.46, 15,390.54 and 6,116.66

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Solution

The fourth proportional to 11,152.46, 15,390.54 and 6,116.66 is: 8,441.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.46 : 15,390.54 = 6,116.66 : x
  2. Step 2: Convert to fraction form
    11,152.46/15,390.54 = 6,116.66/x
  3. Step 3: Cross multiply
    11,152.46x = 15,390.54 × 6,116.66
  4. Step 4: Simplify right side
    11,152.46x = 94,138,700.40
  5. Step 5: Solve for x
    x = 94,138,700.40/11,152.46
  6. Step 6: Final answer
    x = 8,441.07

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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.