Home / 12,624.48-17,421.90-6,959.45

Finding the Fourth Proportional to 12,624.48, 17,421.90 and 6,959.45

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Solution

The fourth proportional to 12,624.48, 17,421.90 and 6,959.45 is: 9,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624.48 : 17,421.90 = 6,959.45 : x
  2. Step 2: Convert to fraction form
    12,624.48/17,421.90 = 6,959.45/x
  3. Step 3: Cross multiply
    12,624.48x = 17,421.90 × 6,959.45
  4. Step 4: Simplify right side
    12,624.48x = 121,246,754.85
  5. Step 5: Solve for x
    x = 121,246,754.85/12,624.48
  6. Step 6: Final answer
    x = 9,604.10

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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.