Home / 9,374.19-12,937.18-5,342.25

Finding the Fourth Proportional to 9,374.19, 12,937.18 and 5,342.25

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Solution

The fourth proportional to 9,374.19, 12,937.18 and 5,342.25 is: 7,372.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,374.19 : 12,937.18 = 5,342.25 : x
  2. Step 2: Convert to fraction form
    9,374.19/12,937.18 = 5,342.25/x
  3. Step 3: Cross multiply
    9,374.19x = 12,937.18 × 5,342.25
  4. Step 4: Simplify right side
    9,374.19x = 69,113,647.96
  5. Step 5: Solve for x
    x = 69,113,647.96/9,374.19
  6. Step 6: Final answer
    x = 7,372.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.