Home / 10,943.26-15,096.45-7,165.06

Finding the Fourth Proportional to 10,943.26, 15,096.45 and 7,165.06

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Solution

The fourth proportional to 10,943.26, 15,096.45 and 7,165.06 is: 9,884.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943.26 : 15,096.45 = 7,165.06 : x
  2. Step 2: Convert to fraction form
    10,943.26/15,096.45 = 7,165.06/x
  3. Step 3: Cross multiply
    10,943.26x = 15,096.45 × 7,165.06
  4. Step 4: Simplify right side
    10,943.26x = 108,166,970.04
  5. Step 5: Solve for x
    x = 108,166,970.04/10,943.26
  6. Step 6: Final answer
    x = 9,884.35

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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.