Home / 11,022.21-15,210.63-6,306.48

Finding the Fourth Proportional to 11,022.21, 15,210.63 and 6,306.48

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Solution

The fourth proportional to 11,022.21, 15,210.63 and 6,306.48 is: 8,702.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.21 : 15,210.63 = 6,306.48 : x
  2. Step 2: Convert to fraction form
    11,022.21/15,210.63 = 6,306.48/x
  3. Step 3: Cross multiply
    11,022.21x = 15,210.63 × 6,306.48
  4. Step 4: Simplify right side
    11,022.21x = 95,925,533.88
  5. Step 5: Solve for x
    x = 95,925,533.88/11,022.21
  6. Step 6: Final answer
    x = 8,702.93

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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.