Home / 8,176.62-11,284.98-4,639.08

Finding the Fourth Proportional to 8,176.62, 11,284.98 and 4,639.08

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Solution

The fourth proportional to 8,176.62, 11,284.98 and 4,639.08 is: 6,402.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.62 : 11,284.98 = 4,639.08 : x
  2. Step 2: Convert to fraction form
    8,176.62/11,284.98 = 4,639.08/x
  3. Step 3: Cross multiply
    8,176.62x = 11,284.98 × 4,639.08
  4. Step 4: Simplify right side
    8,176.62x = 52,351,925.02
  5. Step 5: Solve for x
    x = 52,351,925.02/8,176.62
  6. Step 6: Final answer
    x = 6,402.64

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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.