Home / 9,639.98-14,460.87-3,718.91

Finding the Fourth Proportional to 9,639.98, 14,460.87 and 3,718.91

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Solution

The fourth proportional to 9,639.98, 14,460.87 and 3,718.91 is: 5,578.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.98 : 14,460.87 = 3,718.91 : x
  2. Step 2: Convert to fraction form
    9,639.98/14,460.87 = 3,718.91/x
  3. Step 3: Cross multiply
    9,639.98x = 14,460.87 × 3,718.91
  4. Step 4: Simplify right side
    9,639.98x = 53,778,601.75
  5. Step 5: Solve for x
    x = 53,778,601.75/9,639.98
  6. Step 6: Final answer
    x = 5,578.71

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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.