Home / 8,660.43-11,951.35-4,681.53

Finding the Fourth Proportional to 8,660.43, 11,951.35 and 4,681.53

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Solution

The fourth proportional to 8,660.43, 11,951.35 and 4,681.53 is: 6,460.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,660.43 : 11,951.35 = 4,681.53 : x
  2. Step 2: Convert to fraction form
    8,660.43/11,951.35 = 4,681.53/x
  3. Step 3: Cross multiply
    8,660.43x = 11,951.35 × 4,681.53
  4. Step 4: Simplify right side
    8,660.43x = 55,950,603.57
  5. Step 5: Solve for x
    x = 55,950,603.57/8,660.43
  6. Step 6: Final answer
    x = 6,460.49

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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.