Home / 11,575.02-15,973.45-6,540.87

Finding the Fourth Proportional to 11,575.02, 15,973.45 and 6,540.87

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Solution

The fourth proportional to 11,575.02, 15,973.45 and 6,540.87 is: 9,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,575.02 : 15,973.45 = 6,540.87 : x
  2. Step 2: Convert to fraction form
    11,575.02/15,973.45 = 6,540.87/x
  3. Step 3: Cross multiply
    11,575.02x = 15,973.45 × 6,540.87
  4. Step 4: Simplify right side
    11,575.02x = 104,480,259.90
  5. Step 5: Solve for x
    x = 104,480,259.90/11,575.02
  6. Step 6: Final answer
    x = 9,026.36

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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.