Home / 12,295.12-16,966.34-7,579.48

Finding the Fourth Proportional to 12,295.12, 16,966.34 and 7,579.48

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Solution

The fourth proportional to 12,295.12, 16,966.34 and 7,579.48 is: 10,459.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,295.12 : 16,966.34 = 7,579.48 : x
  2. Step 2: Convert to fraction form
    12,295.12/16,966.34 = 7,579.48/x
  3. Step 3: Cross multiply
    12,295.12x = 16,966.34 × 7,579.48
  4. Step 4: Simplify right side
    12,295.12x = 128,596,034.70
  5. Step 5: Solve for x
    x = 128,596,034.70/12,295.12
  6. Step 6: Final answer
    x = 10,459.11

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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.