Home / 10,089.36-15,104.88-6,395.76

Finding the Fourth Proportional to 10,089.36, 15,104.88 and 6,395.76

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Solution

The fourth proportional to 10,089.36, 15,104.88 and 6,395.76 is: 9,575.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.36 : 15,104.88 = 6,395.76 : x
  2. Step 2: Convert to fraction form
    10,089.36/15,104.88 = 6,395.76/x
  3. Step 3: Cross multiply
    10,089.36x = 15,104.88 × 6,395.76
  4. Step 4: Simplify right side
    10,089.36x = 96,607,187.31
  5. Step 5: Solve for x
    x = 96,607,187.31/10,089.36
  6. Step 6: Final answer
    x = 9,575.16

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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.