Home / 7,995.40-11,032.92-4,638.34

Finding the Fourth Proportional to 7,995.40, 11,032.92 and 4,638.34

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Solution

The fourth proportional to 7,995.40, 11,032.92 and 4,638.34 is: 6,400.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.40 : 11,032.92 = 4,638.34 : x
  2. Step 2: Convert to fraction form
    7,995.40/11,032.92 = 4,638.34/x
  3. Step 3: Cross multiply
    7,995.40x = 11,032.92 × 4,638.34
  4. Step 4: Simplify right side
    7,995.40x = 51,174,434.15
  5. Step 5: Solve for x
    x = 51,174,434.15/7,995.40
  6. Step 6: Final answer
    x = 6,400.48

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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.