Home / 28,071.96-42,098.81-9,346.97

Finding the Fourth Proportional to 28,071.96, 42,098.81 and 9,346.97

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Solution

The fourth proportional to 28,071.96, 42,098.81 and 9,346.97 is: 14,017.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,071.96 : 42,098.81 = 9,346.97 : x
  2. Step 2: Convert to fraction form
    28,071.96/42,098.81 = 9,346.97/x
  3. Step 3: Cross multiply
    28,071.96x = 42,098.81 × 9,346.97
  4. Step 4: Simplify right side
    28,071.96x = 393,496,056.88
  5. Step 5: Solve for x
    x = 393,496,056.88/28,071.96
  6. Step 6: Final answer
    x = 14,017.41

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1.5x scale

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.