Home / 11,043.29-15,242.96-6,570.20

Finding the Fourth Proportional to 11,043.29, 15,242.96 and 6,570.20

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Solution

The fourth proportional to 11,043.29, 15,242.96 and 6,570.20 is: 9,068.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,043.29 : 15,242.96 = 6,570.20 : x
  2. Step 2: Convert to fraction form
    11,043.29/15,242.96 = 6,570.20/x
  3. Step 3: Cross multiply
    11,043.29x = 15,242.96 × 6,570.20
  4. Step 4: Simplify right side
    11,043.29x = 100,149,236.00
  5. Step 5: Solve for x
    x = 100,149,236.00/11,043.29
  6. Step 6: Final answer
    x = 9,068.79

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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.