Home / 9,421.92-14,132.96-2,848.40

Finding the Fourth Proportional to 9,421.92, 14,132.96 and 2,848.40

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Solution

The fourth proportional to 9,421.92, 14,132.96 and 2,848.40 is: 4,272.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.92 : 14,132.96 = 2,848.40 : x
  2. Step 2: Convert to fraction form
    9,421.92/14,132.96 = 2,848.40/x
  3. Step 3: Cross multiply
    9,421.92x = 14,132.96 × 2,848.40
  4. Step 4: Simplify right side
    9,421.92x = 40,256,323.26
  5. Step 5: Solve for x
    x = 40,256,323.26/9,421.92
  6. Step 6: Final answer
    x = 4,272.62

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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.