Home / 10,962.48-15,122.94-7,184

Finding the Fourth Proportional to 10,962.48, 15,122.94 and 7,184

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Solution

The fourth proportional to 10,962.48, 15,122.94 and 7,184 is: 9,910.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,962.48 : 15,122.94 = 7,184 : x
  2. Step 2: Convert to fraction form
    10,962.48/15,122.94 = 7,184/x
  3. Step 3: Cross multiply
    10,962.48x = 15,122.94 × 7,184
  4. Step 4: Simplify right side
    10,962.48x = 108,643,200.96
  5. Step 5: Solve for x
    x = 108,643,200.96/10,962.48
  6. Step 6: Final answer
    x = 9,910.46

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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.