Home / 12,088.43-16,681.81-7,055.90

Finding the Fourth Proportional to 12,088.43, 16,681.81 and 7,055.90

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Solution

The fourth proportional to 12,088.43, 16,681.81 and 7,055.90 is: 9,737.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.43 : 16,681.81 = 7,055.90 : x
  2. Step 2: Convert to fraction form
    12,088.43/16,681.81 = 7,055.90/x
  3. Step 3: Cross multiply
    12,088.43x = 16,681.81 × 7,055.90
  4. Step 4: Simplify right side
    12,088.43x = 117,705,183.18
  5. Step 5: Solve for x
    x = 117,705,183.18/12,088.43
  6. Step 6: Final answer
    x = 9,737.01

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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.