Home / 11,280.40-15,566.58-6,244.43

Finding the Fourth Proportional to 11,280.40, 15,566.58 and 6,244.43

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Solution

The fourth proportional to 11,280.40, 15,566.58 and 6,244.43 is: 8,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,280.40 : 15,566.58 = 6,244.43 : x
  2. Step 2: Convert to fraction form
    11,280.40/15,566.58 = 6,244.43/x
  3. Step 3: Cross multiply
    11,280.40x = 15,566.58 × 6,244.43
  4. Step 4: Simplify right side
    11,280.40x = 97,204,341.32
  5. Step 5: Solve for x
    x = 97,204,341.32/11,280.40
  6. Step 6: Final answer
    x = 8,617.10

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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.