Home / 10,554.84-15,822.54-9,680.04

Finding the Fourth Proportional to 10,554.84, 15,822.54 and 9,680.04

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Solution

The fourth proportional to 10,554.84, 15,822.54 and 9,680.04 is: 14,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.84 : 15,822.54 = 9,680.04 : x
  2. Step 2: Convert to fraction form
    10,554.84/15,822.54 = 9,680.04/x
  3. Step 3: Cross multiply
    10,554.84x = 15,822.54 × 9,680.04
  4. Step 4: Simplify right side
    10,554.84x = 153,162,820.10
  5. Step 5: Solve for x
    x = 153,162,820.10/10,554.84
  6. Step 6: Final answer
    x = 14,511.15

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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.