Home / 7,644.92-11,473.86-3,031.16

Finding the Fourth Proportional to 7,644.92, 11,473.86 and 3,031.16

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Solution

The fourth proportional to 7,644.92, 11,473.86 and 3,031.16 is: 4,549.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644.92 : 11,473.86 = 3,031.16 : x
  2. Step 2: Convert to fraction form
    7,644.92/11,473.86 = 3,031.16/x
  3. Step 3: Cross multiply
    7,644.92x = 11,473.86 × 3,031.16
  4. Step 4: Simplify right side
    7,644.92x = 34,779,105.48
  5. Step 5: Solve for x
    x = 34,779,105.48/7,644.92
  6. Step 6: Final answer
    x = 4,549.31

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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.