Home / 8,975.51-13,450.35-6,616.89

Finding the Fourth Proportional to 8,975.51, 13,450.35 and 6,616.89

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Solution

The fourth proportional to 8,975.51, 13,450.35 and 6,616.89 is: 9,915.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.51 : 13,450.35 = 6,616.89 : x
  2. Step 2: Convert to fraction form
    8,975.51/13,450.35 = 6,616.89/x
  3. Step 3: Cross multiply
    8,975.51x = 13,450.35 × 6,616.89
  4. Step 4: Simplify right side
    8,975.51x = 88,999,511.22
  5. Step 5: Solve for x
    x = 88,999,511.22/8,975.51
  6. Step 6: Final answer
    x = 9,915.82

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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.