Home / 8,235.45-11,355.51-6,556.92

Finding the Fourth Proportional to 8,235.45, 11,355.51 and 6,556.92

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Solution

The fourth proportional to 8,235.45, 11,355.51 and 6,556.92 is: 9,041.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.45 : 11,355.51 = 6,556.92 : x
  2. Step 2: Convert to fraction form
    8,235.45/11,355.51 = 6,556.92/x
  3. Step 3: Cross multiply
    8,235.45x = 11,355.51 × 6,556.92
  4. Step 4: Simplify right side
    8,235.45x = 74,457,199.02
  5. Step 5: Solve for x
    x = 74,457,199.02/8,235.45
  6. Step 6: Final answer
    x = 9,041.07

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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.