Home / 10,381.97-14,324.91-6,603.75

Finding the Fourth Proportional to 10,381.97, 14,324.91 and 6,603.75

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Solution

The fourth proportional to 10,381.97, 14,324.91 and 6,603.75 is: 9,111.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,381.97 : 14,324.91 = 6,603.75 : x
  2. Step 2: Convert to fraction form
    10,381.97/14,324.91 = 6,603.75/x
  3. Step 3: Cross multiply
    10,381.97x = 14,324.91 × 6,603.75
  4. Step 4: Simplify right side
    10,381.97x = 94,598,124.41
  5. Step 5: Solve for x
    x = 94,598,124.41/10,381.97
  6. Step 6: Final answer
    x = 9,111.77

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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.