Home / 9,012.90-12,428.25-6,184.40

Finding the Fourth Proportional to 9,012.90, 12,428.25 and 6,184.40

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Solution

The fourth proportional to 9,012.90, 12,428.25 and 6,184.40 is: 8,527.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,012.90 : 12,428.25 = 6,184.40 : x
  2. Step 2: Convert to fraction form
    9,012.90/12,428.25 = 6,184.40/x
  3. Step 3: Cross multiply
    9,012.90x = 12,428.25 × 6,184.40
  4. Step 4: Simplify right side
    9,012.90x = 76,861,288.66
  5. Step 5: Solve for x
    x = 76,861,288.66/9,012.90
  6. Step 6: Final answer
    x = 8,527.92

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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.