Home / 11,424.84-15,761.64-7,444.50

Finding the Fourth Proportional to 11,424.84, 15,761.64 and 7,444.50

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Solution

The fourth proportional to 11,424.84, 15,761.64 and 7,444.50 is: 10,270.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,424.84 : 15,761.64 = 7,444.50 : x
  2. Step 2: Convert to fraction form
    11,424.84/15,761.64 = 7,444.50/x
  3. Step 3: Cross multiply
    11,424.84x = 15,761.64 × 7,444.50
  4. Step 4: Simplify right side
    11,424.84x = 117,337,528.98
  5. Step 5: Solve for x
    x = 117,337,528.98/11,424.84
  6. Step 6: Final answer
    x = 10,270.39

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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.