Home / 9,431.16-14,148.27-3,191.55

Finding the Fourth Proportional to 9,431.16, 14,148.27 and 3,191.55

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Solution

The fourth proportional to 9,431.16, 14,148.27 and 3,191.55 is: 4,787.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.16 : 14,148.27 = 3,191.55 : x
  2. Step 2: Convert to fraction form
    9,431.16/14,148.27 = 3,191.55/x
  3. Step 3: Cross multiply
    9,431.16x = 14,148.27 × 3,191.55
  4. Step 4: Simplify right side
    9,431.16x = 45,154,911.12
  5. Step 5: Solve for x
    x = 45,154,911.12/9,431.16
  6. Step 6: Final answer
    x = 4,787.84

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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.