Home / 10,718.68-14,790-6,736.98

Finding the Fourth Proportional to 10,718.68, 14,790 and 6,736.98

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Solution

The fourth proportional to 10,718.68, 14,790 and 6,736.98 is: 9,295.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,718.68 : 14,790 = 6,736.98 : x
  2. Step 2: Convert to fraction form
    10,718.68/14,790 = 6,736.98/x
  3. Step 3: Cross multiply
    10,718.68x = 14,790 × 6,736.98
  4. Step 4: Simplify right side
    10,718.68x = 99,639,934.20
  5. Step 5: Solve for x
    x = 99,639,934.20/10,718.68
  6. Step 6: Final answer
    x = 9,295.91

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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.