Home / 12,092.46-16,686.69-6,715.20

Finding the Fourth Proportional to 12,092.46, 16,686.69 and 6,715.20

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Solution

The fourth proportional to 12,092.46, 16,686.69 and 6,715.20 is: 9,266.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,092.46 : 16,686.69 = 6,715.20 : x
  2. Step 2: Convert to fraction form
    12,092.46/16,686.69 = 6,715.20/x
  3. Step 3: Cross multiply
    12,092.46x = 16,686.69 × 6,715.20
  4. Step 4: Simplify right side
    12,092.46x = 112,054,460.69
  5. Step 5: Solve for x
    x = 112,054,460.69/12,092.46
  6. Step 6: Final answer
    x = 9,266.47

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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.