Home / 12,624.07-17,420.88-7,246.35

Finding the Fourth Proportional to 12,624.07, 17,420.88 and 7,246.35

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Solution

The fourth proportional to 12,624.07, 17,420.88 and 7,246.35 is: 9,999.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,624.07 : 17,420.88 = 7,246.35 : x
  2. Step 2: Convert to fraction form
    12,624.07/17,420.88 = 7,246.35/x
  3. Step 3: Cross multiply
    12,624.07x = 17,420.88 × 7,246.35
  4. Step 4: Simplify right side
    12,624.07x = 126,237,793.79
  5. Step 5: Solve for x
    x = 126,237,793.79/12,624.07
  6. Step 6: Final answer
    x = 9,999.77

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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.