Home / 7,585.81-11,378.60-4,625.12

Finding the Fourth Proportional to 7,585.81, 11,378.60 and 4,625.12

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Solution

The fourth proportional to 7,585.81, 11,378.60 and 4,625.12 is: 6,937.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.81 : 11,378.60 = 4,625.12 : x
  2. Step 2: Convert to fraction form
    7,585.81/11,378.60 = 4,625.12/x
  3. Step 3: Cross multiply
    7,585.81x = 11,378.60 × 4,625.12
  4. Step 4: Simplify right side
    7,585.81x = 52,627,413.10
  5. Step 5: Solve for x
    x = 52,627,413.10/7,585.81
  6. Step 6: Final answer
    x = 6,937.62

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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.