Home / 9,608.18-13,264.52-6,639.98

Finding the Fourth Proportional to 9,608.18, 13,264.52 and 6,639.98

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Solution

The fourth proportional to 9,608.18, 13,264.52 and 6,639.98 is: 9,166.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,608.18 : 13,264.52 = 6,639.98 : x
  2. Step 2: Convert to fraction form
    9,608.18/13,264.52 = 6,639.98/x
  3. Step 3: Cross multiply
    9,608.18x = 13,264.52 × 6,639.98
  4. Step 4: Simplify right side
    9,608.18x = 88,076,147.51
  5. Step 5: Solve for x
    x = 88,076,147.51/9,608.18
  6. Step 6: Final answer
    x = 9,166.79

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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.