Home / 11,576.48-15,976.40-6,541.28

Finding the Fourth Proportional to 11,576.48, 15,976.40 and 6,541.28

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Solution

The fourth proportional to 11,576.48, 15,976.40 and 6,541.28 is: 9,027.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576.48 : 15,976.40 = 6,541.28 : x
  2. Step 2: Convert to fraction form
    11,576.48/15,976.40 = 6,541.28/x
  3. Step 3: Cross multiply
    11,576.48x = 15,976.40 × 6,541.28
  4. Step 4: Simplify right side
    11,576.48x = 104,506,105.79
  5. Step 5: Solve for x
    x = 104,506,105.79/11,576.48
  6. Step 6: Final answer
    x = 9,027.45

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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.