Home / 9,585.45-13,231.49-5,607.81

Finding the Fourth Proportional to 9,585.45, 13,231.49 and 5,607.81

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Solution

The fourth proportional to 9,585.45, 13,231.49 and 5,607.81 is: 7,740.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,585.45 : 13,231.49 = 5,607.81 : x
  2. Step 2: Convert to fraction form
    9,585.45/13,231.49 = 5,607.81/x
  3. Step 3: Cross multiply
    9,585.45x = 13,231.49 × 5,607.81
  4. Step 4: Simplify right side
    9,585.45x = 74,199,681.94
  5. Step 5: Solve for x
    x = 74,199,681.94/9,585.45
  6. Step 6: Final answer
    x = 7,740.87

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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.