Home / 9,555.65-13,187.51-5,778.96

Finding the Fourth Proportional to 9,555.65, 13,187.51 and 5,778.96

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Solution

The fourth proportional to 9,555.65, 13,187.51 and 5,778.96 is: 7,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.65 : 13,187.51 = 5,778.96 : x
  2. Step 2: Convert to fraction form
    9,555.65/13,187.51 = 5,778.96/x
  3. Step 3: Cross multiply
    9,555.65x = 13,187.51 × 5,778.96
  4. Step 4: Simplify right side
    9,555.65x = 76,210,092.79
  5. Step 5: Solve for x
    x = 76,210,092.79/9,555.65
  6. Step 6: Final answer
    x = 7,975.40

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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.