Home / 9,051.20-13,576.80-6,864.20

Finding the Fourth Proportional to 9,051.20, 13,576.80 and 6,864.20

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Solution

The fourth proportional to 9,051.20, 13,576.80 and 6,864.20 is: 10,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.20 : 13,576.80 = 6,864.20 : x
  2. Step 2: Convert to fraction form
    9,051.20/13,576.80 = 6,864.20/x
  3. Step 3: Cross multiply
    9,051.20x = 13,576.80 × 6,864.20
  4. Step 4: Simplify right side
    9,051.20x = 93,193,870.56
  5. Step 5: Solve for x
    x = 93,193,870.56/9,051.20
  6. Step 6: Final answer
    x = 10,296.30

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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.