Home / 12,056.48-18,088.68-7,609

Finding the Fourth Proportional to 12,056.48, 18,088.68 and 7,609

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Solution

The fourth proportional to 12,056.48, 18,088.68 and 7,609 is: 11,416.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,056.48 : 18,088.68 = 7,609 : x
  2. Step 2: Convert to fraction form
    12,056.48/18,088.68 = 7,609/x
  3. Step 3: Cross multiply
    12,056.48x = 18,088.68 × 7,609
  4. Step 4: Simplify right side
    12,056.48x = 137,636,766.12
  5. Step 5: Solve for x
    x = 137,636,766.12/12,056.48
  6. Step 6: Final answer
    x = 11,416.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.