Home / 10,955.24-15,119.33-6,709.07

Finding the Fourth Proportional to 10,955.24, 15,119.33 and 6,709.07

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Solution

The fourth proportional to 10,955.24, 15,119.33 and 6,709.07 is: 9,259.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,955.24 : 15,119.33 = 6,709.07 : x
  2. Step 2: Convert to fraction form
    10,955.24/15,119.33 = 6,709.07/x
  3. Step 3: Cross multiply
    10,955.24x = 15,119.33 × 6,709.07
  4. Step 4: Simplify right side
    10,955.24x = 101,436,697.89
  5. Step 5: Solve for x
    x = 101,436,697.89/10,955.24
  6. Step 6: Final answer
    x = 9,259.19

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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.