Home / 10,933.53-15,085.67-6,220.41

Finding the Fourth Proportional to 10,933.53, 15,085.67 and 6,220.41

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Solution

The fourth proportional to 10,933.53, 15,085.67 and 6,220.41 is: 8,582.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.53 : 15,085.67 = 6,220.41 : x
  2. Step 2: Convert to fraction form
    10,933.53/15,085.67 = 6,220.41/x
  3. Step 3: Cross multiply
    10,933.53x = 15,085.67 × 6,220.41
  4. Step 4: Simplify right side
    10,933.53x = 93,839,052.52
  5. Step 5: Solve for x
    x = 93,839,052.52/10,933.53
  6. Step 6: Final answer
    x = 8,582.69

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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.