Home / 8,731.22-13,060.12-7,360.58

Finding the Fourth Proportional to 8,731.22, 13,060.12 and 7,360.58

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Solution

The fourth proportional to 8,731.22, 13,060.12 and 7,360.58 is: 11,009.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731.22 : 13,060.12 = 7,360.58 : x
  2. Step 2: Convert to fraction form
    8,731.22/13,060.12 = 7,360.58/x
  3. Step 3: Cross multiply
    8,731.22x = 13,060.12 × 7,360.58
  4. Step 4: Simplify right side
    8,731.22x = 96,130,058.07
  5. Step 5: Solve for x
    x = 96,130,058.07/8,731.22
  6. Step 6: Final answer
    x = 11,009.92

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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.