Home / 9,860.96-13,608.17-5,384.81

Finding the Fourth Proportional to 9,860.96, 13,608.17 and 5,384.81

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Solution

The fourth proportional to 9,860.96, 13,608.17 and 5,384.81 is: 7,431.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.96 : 13,608.17 = 5,384.81 : x
  2. Step 2: Convert to fraction form
    9,860.96/13,608.17 = 5,384.81/x
  3. Step 3: Cross multiply
    9,860.96x = 13,608.17 × 5,384.81
  4. Step 4: Simplify right side
    9,860.96x = 73,277,437.19
  5. Step 5: Solve for x
    x = 73,277,437.19/9,860.96
  6. Step 6: Final answer
    x = 7,431.07

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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.