Home / 11,670.77-16,107.51-6,957.78

Finding the Fourth Proportional to 11,670.77, 16,107.51 and 6,957.78

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Solution

The fourth proportional to 11,670.77, 16,107.51 and 6,957.78 is: 9,602.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,670.77 : 16,107.51 = 6,957.78 : x
  2. Step 2: Convert to fraction form
    11,670.77/16,107.51 = 6,957.78/x
  3. Step 3: Cross multiply
    11,670.77x = 16,107.51 × 6,957.78
  4. Step 4: Simplify right side
    11,670.77x = 112,072,510.93
  5. Step 5: Solve for x
    x = 112,072,510.93/11,670.77
  6. Step 6: Final answer
    x = 9,602.84

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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.