Home / 12,359.95-17,056.77-6,694.76

Finding the Fourth Proportional to 12,359.95, 17,056.77 and 6,694.76

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Solution

The fourth proportional to 12,359.95, 17,056.77 and 6,694.76 is: 9,238.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.95 : 17,056.77 = 6,694.76 : x
  2. Step 2: Convert to fraction form
    12,359.95/17,056.77 = 6,694.76/x
  3. Step 3: Cross multiply
    12,359.95x = 17,056.77 × 6,694.76
  4. Step 4: Simplify right side
    12,359.95x = 114,190,981.53
  5. Step 5: Solve for x
    x = 114,190,981.53/12,359.95
  6. Step 6: Final answer
    x = 9,238.79

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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.