Home / 12,862.05-19,294.49-4,094.93

Finding the Fourth Proportional to 12,862.05, 19,294.49 and 4,094.93

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Solution

The fourth proportional to 12,862.05, 19,294.49 and 4,094.93 is: 6,142.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.05 : 19,294.49 = 4,094.93 : x
  2. Step 2: Convert to fraction form
    12,862.05/19,294.49 = 4,094.93/x
  3. Step 3: Cross multiply
    12,862.05x = 19,294.49 × 4,094.93
  4. Step 4: Simplify right side
    12,862.05x = 79,009,499.70
  5. Step 5: Solve for x
    x = 79,009,499.70/12,862.05
  6. Step 6: Final answer
    x = 6,142.84

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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.