Home / 10,531.08-15,797.70-3,955.50

Finding the Fourth Proportional to 10,531.08, 15,797.70 and 3,955.50

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Solution

The fourth proportional to 10,531.08, 15,797.70 and 3,955.50 is: 5,933.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.08 : 15,797.70 = 3,955.50 : x
  2. Step 2: Convert to fraction form
    10,531.08/15,797.70 = 3,955.50/x
  3. Step 3: Cross multiply
    10,531.08x = 15,797.70 × 3,955.50
  4. Step 4: Simplify right side
    10,531.08x = 62,487,802.35
  5. Step 5: Solve for x
    x = 62,487,802.35/10,531.08
  6. Step 6: Final answer
    x = 5,933.66

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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.