Home / 10,634.93-15,966.52-9,084.89

Finding the Fourth Proportional to 10,634.93, 15,966.52 and 9,084.89

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Solution

The fourth proportional to 10,634.93, 15,966.52 and 9,084.89 is: 13,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,634.93 : 15,966.52 = 9,084.89 : x
  2. Step 2: Convert to fraction form
    10,634.93/15,966.52 = 9,084.89/x
  3. Step 3: Cross multiply
    10,634.93x = 15,966.52 × 9,084.89
  4. Step 4: Simplify right side
    10,634.93x = 145,054,095.09
  5. Step 5: Solve for x
    x = 145,054,095.09/10,634.93
  6. Step 6: Final answer
    x = 13,639.40

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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.