Home / 11,246.54-15,520.14-6,210.70

Finding the Fourth Proportional to 11,246.54, 15,520.14 and 6,210.70

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Solution

The fourth proportional to 11,246.54, 15,520.14 and 6,210.70 is: 8,570.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,246.54 : 15,520.14 = 6,210.70 : x
  2. Step 2: Convert to fraction form
    11,246.54/15,520.14 = 6,210.70/x
  3. Step 3: Cross multiply
    11,246.54x = 15,520.14 × 6,210.70
  4. Step 4: Simplify right side
    11,246.54x = 96,390,894.70
  5. Step 5: Solve for x
    x = 96,390,894.70/11,246.54
  6. Step 6: Final answer
    x = 8,570.72

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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.