Home / 7,473.40-10,312.39-4,286.53

Finding the Fourth Proportional to 7,473.40, 10,312.39 and 4,286.53

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Solution

The fourth proportional to 7,473.40, 10,312.39 and 4,286.53 is: 5,914.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,473.40 : 10,312.39 = 4,286.53 : x
  2. Step 2: Convert to fraction form
    7,473.40/10,312.39 = 4,286.53/x
  3. Step 3: Cross multiply
    7,473.40x = 10,312.39 × 4,286.53
  4. Step 4: Simplify right side
    7,473.40x = 44,204,305.24
  5. Step 5: Solve for x
    x = 44,204,305.24/7,473.40
  6. Step 6: Final answer
    x = 5,914.89

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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.