Home / 10,723.15-16,084.74-4,479.76

Finding the Fourth Proportional to 10,723.15, 16,084.74 and 4,479.76

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Solution

The fourth proportional to 10,723.15, 16,084.74 and 4,479.76 is: 6,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,723.15 : 16,084.74 = 4,479.76 : x
  2. Step 2: Convert to fraction form
    10,723.15/16,084.74 = 4,479.76/x
  3. Step 3: Cross multiply
    10,723.15x = 16,084.74 × 4,479.76
  4. Step 4: Simplify right side
    10,723.15x = 72,055,804.18
  5. Step 5: Solve for x
    x = 72,055,804.18/10,723.15
  6. Step 6: Final answer
    x = 6,719.65

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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.