Home / 10,557.66-15,836.90-4,714.32

Finding the Fourth Proportional to 10,557.66, 15,836.90 and 4,714.32

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Solution

The fourth proportional to 10,557.66, 15,836.90 and 4,714.32 is: 7,071.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.66 : 15,836.90 = 4,714.32 : x
  2. Step 2: Convert to fraction form
    10,557.66/15,836.90 = 4,714.32/x
  3. Step 3: Cross multiply
    10,557.66x = 15,836.90 × 4,714.32
  4. Step 4: Simplify right side
    10,557.66x = 74,660,190.84
  5. Step 5: Solve for x
    x = 74,660,190.84/10,557.66
  6. Step 6: Final answer
    x = 7,071.66

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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.