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Finding the Fourth Proportional to 8,088.66, 12,065.99 and 7,155.54

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Solution

The fourth proportional to 8,088.66, 12,065.99 and 7,155.54 is: 10,674.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088.66 : 12,065.99 = 7,155.54 : x
  2. Step 2: Convert to fraction form
    8,088.66/12,065.99 = 7,155.54/x
  3. Step 3: Cross multiply
    8,088.66x = 12,065.99 × 7,155.54
  4. Step 4: Simplify right side
    8,088.66x = 86,338,638.31
  5. Step 5: Solve for x
    x = 86,338,638.31/8,088.66
  6. Step 6: Final answer
    x = 10,674.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.