Home / 9,576.44-13,215.48-5,384.69

Finding the Fourth Proportional to 9,576.44, 13,215.48 and 5,384.69

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Solution

The fourth proportional to 9,576.44, 13,215.48 and 5,384.69 is: 7,430.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,576.44 : 13,215.48 = 5,384.69 : x
  2. Step 2: Convert to fraction form
    9,576.44/13,215.48 = 5,384.69/x
  3. Step 3: Cross multiply
    9,576.44x = 13,215.48 × 5,384.69
  4. Step 4: Simplify right side
    9,576.44x = 71,161,263.00
  5. Step 5: Solve for x
    x = 71,161,263.00/9,576.44
  6. Step 6: Final answer
    x = 7,430.87

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Double scale
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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.