Home / 11,106.94-15,327.80-6,071.02

Finding the Fourth Proportional to 11,106.94, 15,327.80 and 6,071.02

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Solution

The fourth proportional to 11,106.94, 15,327.80 and 6,071.02 is: 8,378.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,106.94 : 15,327.80 = 6,071.02 : x
  2. Step 2: Convert to fraction form
    11,106.94/15,327.80 = 6,071.02/x
  3. Step 3: Cross multiply
    11,106.94x = 15,327.80 × 6,071.02
  4. Step 4: Simplify right side
    11,106.94x = 93,055,380.36
  5. Step 5: Solve for x
    x = 93,055,380.36/11,106.94
  6. Step 6: Final answer
    x = 8,378.13

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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.