Home / 8,715.96-12,030.66-5,923.08

Finding the Fourth Proportional to 8,715.96, 12,030.66 and 5,923.08

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Solution

The fourth proportional to 8,715.96, 12,030.66 and 5,923.08 is: 8,175.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,715.96 : 12,030.66 = 5,923.08 : x
  2. Step 2: Convert to fraction form
    8,715.96/12,030.66 = 5,923.08/x
  3. Step 3: Cross multiply
    8,715.96x = 12,030.66 × 5,923.08
  4. Step 4: Simplify right side
    8,715.96x = 71,258,561.63
  5. Step 5: Solve for x
    x = 71,258,561.63/8,715.96
  6. Step 6: Final answer
    x = 8,175.64

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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.