Home / 13,056.04-18,016.84-7,087.58

Finding the Fourth Proportional to 13,056.04, 18,016.84 and 7,087.58

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Solution

The fourth proportional to 13,056.04, 18,016.84 and 7,087.58 is: 9,780.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.04 : 18,016.84 = 7,087.58 : x
  2. Step 2: Convert to fraction form
    13,056.04/18,016.84 = 7,087.58/x
  3. Step 3: Cross multiply
    13,056.04x = 18,016.84 × 7,087.58
  4. Step 4: Simplify right side
    13,056.04x = 127,695,794.85
  5. Step 5: Solve for x
    x = 127,695,794.85/13,056.04
  6. Step 6: Final answer
    x = 9,780.59

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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.