Home / 7,489.15-10,331.73-4,503.25

Finding the Fourth Proportional to 7,489.15, 10,331.73 and 4,503.25

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Solution

The fourth proportional to 7,489.15, 10,331.73 and 4,503.25 is: 6,212.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.15 : 10,331.73 = 4,503.25 : x
  2. Step 2: Convert to fraction form
    7,489.15/10,331.73 = 4,503.25/x
  3. Step 3: Cross multiply
    7,489.15x = 10,331.73 × 4,503.25
  4. Step 4: Simplify right side
    7,489.15x = 46,526,363.12
  5. Step 5: Solve for x
    x = 46,526,363.12/7,489.15
  6. Step 6: Final answer
    x = 6,212.50

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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.