Home / 10,970.99-15,133.47-6,723.96

Finding the Fourth Proportional to 10,970.99, 15,133.47 and 6,723.96

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Solution

The fourth proportional to 10,970.99, 15,133.47 and 6,723.96 is: 9,275.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,970.99 : 15,133.47 = 6,723.96 : x
  2. Step 2: Convert to fraction form
    10,970.99/15,133.47 = 6,723.96/x
  3. Step 3: Cross multiply
    10,970.99x = 15,133.47 × 6,723.96
  4. Step 4: Simplify right side
    10,970.99x = 101,756,863.75
  5. Step 5: Solve for x
    x = 101,756,863.75/10,970.99
  6. Step 6: Final answer
    x = 9,275.08

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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.