Home / 7,476.60-10,313.88-4,645.65

Finding the Fourth Proportional to 7,476.60, 10,313.88 and 4,645.65

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Solution

The fourth proportional to 7,476.60, 10,313.88 and 4,645.65 is: 6,408.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.60 : 10,313.88 = 4,645.65 : x
  2. Step 2: Convert to fraction form
    7,476.60/10,313.88 = 4,645.65/x
  3. Step 3: Cross multiply
    7,476.60x = 10,313.88 × 4,645.65
  4. Step 4: Simplify right side
    7,476.60x = 47,914,676.62
  5. Step 5: Solve for x
    x = 47,914,676.62/7,476.60
  6. Step 6: Final answer
    x = 6,408.62

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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.