Home / 7,236.61-9,988.87-5,563.56

Finding the Fourth Proportional to 7,236.61, 9,988.87 and 5,563.56

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Solution

The fourth proportional to 7,236.61, 9,988.87 and 5,563.56 is: 7,679.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.61 : 9,988.87 = 5,563.56 : x
  2. Step 2: Convert to fraction form
    7,236.61/9,988.87 = 5,563.56/x
  3. Step 3: Cross multiply
    7,236.61x = 9,988.87 × 5,563.56
  4. Step 4: Simplify right side
    7,236.61x = 55,573,677.58
  5. Step 5: Solve for x
    x = 55,573,677.58/7,236.61
  6. Step 6: Final answer
    x = 7,679.52

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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.