Home / 8,555.99-11,808.45-5,020.34

Finding the Fourth Proportional to 8,555.99, 11,808.45 and 5,020.34

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Solution

The fourth proportional to 8,555.99, 11,808.45 and 5,020.34 is: 6,928.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.99 : 11,808.45 = 5,020.34 : x
  2. Step 2: Convert to fraction form
    8,555.99/11,808.45 = 5,020.34/x
  3. Step 3: Cross multiply
    8,555.99x = 11,808.45 × 5,020.34
  4. Step 4: Simplify right side
    8,555.99x = 59,282,374.83
  5. Step 5: Solve for x
    x = 59,282,374.83/8,555.99
  6. Step 6: Final answer
    x = 6,928.76

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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.