Home / 12,795.68-19,193.16-6,989.06

Finding the Fourth Proportional to 12,795.68, 19,193.16 and 6,989.06

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Solution

The fourth proportional to 12,795.68, 19,193.16 and 6,989.06 is: 10,483.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.68 : 19,193.16 = 6,989.06 : x
  2. Step 2: Convert to fraction form
    12,795.68/19,193.16 = 6,989.06/x
  3. Step 3: Cross multiply
    12,795.68x = 19,193.16 × 6,989.06
  4. Step 4: Simplify right side
    12,795.68x = 134,142,146.83
  5. Step 5: Solve for x
    x = 134,142,146.83/12,795.68
  6. Step 6: Final answer
    x = 10,483.39

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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.