Home / 10,637.34-15,955.86-4,789.80

Finding the Fourth Proportional to 10,637.34, 15,955.86 and 4,789.80

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Solution

The fourth proportional to 10,637.34, 15,955.86 and 4,789.80 is: 7,184.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637.34 : 15,955.86 = 4,789.80 : x
  2. Step 2: Convert to fraction form
    10,637.34/15,955.86 = 4,789.80/x
  3. Step 3: Cross multiply
    10,637.34x = 15,955.86 × 4,789.80
  4. Step 4: Simplify right side
    10,637.34x = 76,425,378.23
  5. Step 5: Solve for x
    x = 76,425,378.23/10,637.34
  6. Step 6: Final answer
    x = 7,184.63

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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.