Home / 11,141.04-15,381.72-6,955.44

Finding the Fourth Proportional to 11,141.04, 15,381.72 and 6,955.44

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Solution

The fourth proportional to 11,141.04, 15,381.72 and 6,955.44 is: 9,602.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,141.04 : 15,381.72 = 6,955.44 : x
  2. Step 2: Convert to fraction form
    11,141.04/15,381.72 = 6,955.44/x
  3. Step 3: Cross multiply
    11,141.04x = 15,381.72 × 6,955.44
  4. Step 4: Simplify right side
    11,141.04x = 106,986,630.56
  5. Step 5: Solve for x
    x = 106,986,630.56/11,141.04
  6. Step 6: Final answer
    x = 9,602.93

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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.