Home / 10,449.90-15,678.93-4,602.41

Finding the Fourth Proportional to 10,449.90, 15,678.93 and 4,602.41

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Solution

The fourth proportional to 10,449.90, 15,678.93 and 4,602.41 is: 6,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.90 : 15,678.93 = 4,602.41 : x
  2. Step 2: Convert to fraction form
    10,449.90/15,678.93 = 4,602.41/x
  3. Step 3: Cross multiply
    10,449.90x = 15,678.93 × 4,602.41
  4. Step 4: Simplify right side
    10,449.90x = 72,160,844.62
  5. Step 5: Solve for x
    x = 72,160,844.62/10,449.90
  6. Step 6: Final answer
    x = 6,905.41

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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.