Home / 7,284.53-10,927.47-3,123.61

Finding the Fourth Proportional to 7,284.53, 10,927.47 and 3,123.61

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Solution

The fourth proportional to 7,284.53, 10,927.47 and 3,123.61 is: 4,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,284.53 : 10,927.47 = 3,123.61 : x
  2. Step 2: Convert to fraction form
    7,284.53/10,927.47 = 3,123.61/x
  3. Step 3: Cross multiply
    7,284.53x = 10,927.47 × 3,123.61
  4. Step 4: Simplify right side
    7,284.53x = 34,133,138.96
  5. Step 5: Solve for x
    x = 34,133,138.96/7,284.53
  6. Step 6: Final answer
    x = 4,685.70

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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.