Home / 10,927.71-16,391.57-5,077.49

Finding the Fourth Proportional to 10,927.71, 16,391.57 and 5,077.49

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Solution

The fourth proportional to 10,927.71, 16,391.57 and 5,077.49 is: 7,616.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927.71 : 16,391.57 = 5,077.49 : x
  2. Step 2: Convert to fraction form
    10,927.71/16,391.57 = 5,077.49/x
  3. Step 3: Cross multiply
    10,927.71x = 16,391.57 × 5,077.49
  4. Step 4: Simplify right side
    10,927.71x = 83,227,925.41
  5. Step 5: Solve for x
    x = 83,227,925.41/10,927.71
  6. Step 6: Final answer
    x = 7,616.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.