Home / 7,248.66-9,999.78-4,262.60

Finding the Fourth Proportional to 7,248.66, 9,999.78 and 4,262.60

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Solution

The fourth proportional to 7,248.66, 9,999.78 and 4,262.60 is: 5,880.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.66 : 9,999.78 = 4,262.60 : x
  2. Step 2: Convert to fraction form
    7,248.66/9,999.78 = 4,262.60/x
  3. Step 3: Cross multiply
    7,248.66x = 9,999.78 × 4,262.60
  4. Step 4: Simplify right side
    7,248.66x = 42,625,062.23
  5. Step 5: Solve for x
    x = 42,625,062.23/7,248.66
  6. Step 6: Final answer
    x = 5,880.41

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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.