Home / 7,487.15-10,326.43-4,835.21

Finding the Fourth Proportional to 7,487.15, 10,326.43 and 4,835.21

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Solution

The fourth proportional to 7,487.15, 10,326.43 and 4,835.21 is: 6,668.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,487.15 : 10,326.43 = 4,835.21 : x
  2. Step 2: Convert to fraction form
    7,487.15/10,326.43 = 4,835.21/x
  3. Step 3: Cross multiply
    7,487.15x = 10,326.43 × 4,835.21
  4. Step 4: Simplify right side
    7,487.15x = 49,930,457.60
  5. Step 5: Solve for x
    x = 49,930,457.60/7,487.15
  6. Step 6: Final answer
    x = 6,668.82

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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.