Home / 7,456.44-11,130.39-6,915.96

Finding the Fourth Proportional to 7,456.44, 11,130.39 and 6,915.96

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Solution

The fourth proportional to 7,456.44, 11,130.39 and 6,915.96 is: 10,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.44 : 11,130.39 = 6,915.96 : x
  2. Step 2: Convert to fraction form
    7,456.44/11,130.39 = 6,915.96/x
  3. Step 3: Cross multiply
    7,456.44x = 11,130.39 × 6,915.96
  4. Step 4: Simplify right side
    7,456.44x = 76,977,332.02
  5. Step 5: Solve for x
    x = 76,977,332.02/7,456.44
  6. Step 6: Final answer
    x = 10,323.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.