Home / 12,576.17-17,355.08-6,911.30

Finding the Fourth Proportional to 12,576.17, 17,355.08 and 6,911.30

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Solution

The fourth proportional to 12,576.17, 17,355.08 and 6,911.30 is: 9,537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576.17 : 17,355.08 = 6,911.30 : x
  2. Step 2: Convert to fraction form
    12,576.17/17,355.08 = 6,911.30/x
  3. Step 3: Cross multiply
    12,576.17x = 17,355.08 × 6,911.30
  4. Step 4: Simplify right side
    12,576.17x = 119,946,225.07
  5. Step 5: Solve for x
    x = 119,946,225.07/12,576.17
  6. Step 6: Final answer
    x = 9,537.58

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1.5x scale

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.