Home / 7,631.07-10,531.84-4,646.72

Finding the Fourth Proportional to 7,631.07, 10,531.84 and 4,646.72

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Solution

The fourth proportional to 7,631.07, 10,531.84 and 4,646.72 is: 6,413.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.07 : 10,531.84 = 4,646.72 : x
  2. Step 2: Convert to fraction form
    7,631.07/10,531.84 = 4,646.72/x
  3. Step 3: Cross multiply
    7,631.07x = 10,531.84 × 4,646.72
  4. Step 4: Simplify right side
    7,631.07x = 48,938,511.56
  5. Step 5: Solve for x
    x = 48,938,511.56/7,631.07
  6. Step 6: Final answer
    x = 6,413.06

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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.