Home / 8,087.40-11,160.42-5,292.84

Finding the Fourth Proportional to 8,087.40, 11,160.42 and 5,292.84

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Solution

The fourth proportional to 8,087.40, 11,160.42 and 5,292.84 is: 7,303.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.40 : 11,160.42 = 5,292.84 : x
  2. Step 2: Convert to fraction form
    8,087.40/11,160.42 = 5,292.84/x
  3. Step 3: Cross multiply
    8,087.40x = 11,160.42 × 5,292.84
  4. Step 4: Simplify right side
    8,087.40x = 59,070,317.39
  5. Step 5: Solve for x
    x = 59,070,317.39/8,087.40
  6. Step 6: Final answer
    x = 7,303.99

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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.