Home / 10,707.45-14,774.13-5,990.82

Finding the Fourth Proportional to 10,707.45, 14,774.13 and 5,990.82

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Solution

The fourth proportional to 10,707.45, 14,774.13 and 5,990.82 is: 8,266.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,707.45 : 14,774.13 = 5,990.82 : x
  2. Step 2: Convert to fraction form
    10,707.45/14,774.13 = 5,990.82/x
  3. Step 3: Cross multiply
    10,707.45x = 14,774.13 × 5,990.82
  4. Step 4: Simplify right side
    10,707.45x = 88,509,153.49
  5. Step 5: Solve for x
    x = 88,509,153.49/10,707.45
  6. Step 6: Final answer
    x = 8,266.13

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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.