Home / 7,081.84-10,644.36-6,915.52

Finding the Fourth Proportional to 7,081.84, 10,644.36 and 6,915.52

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Solution

The fourth proportional to 7,081.84, 10,644.36 and 6,915.52 is: 10,394.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,081.84 : 10,644.36 = 6,915.52 : x
  2. Step 2: Convert to fraction form
    7,081.84/10,644.36 = 6,915.52/x
  3. Step 3: Cross multiply
    7,081.84x = 10,644.36 × 6,915.52
  4. Step 4: Simplify right side
    7,081.84x = 73,611,284.47
  5. Step 5: Solve for x
    x = 73,611,284.47/7,081.84
  6. Step 6: Final answer
    x = 10,394.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.