Home / 10,958.61-15,121.66-6,710.74

Finding the Fourth Proportional to 10,958.61, 15,121.66 and 6,710.74

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Solution

The fourth proportional to 10,958.61, 15,121.66 and 6,710.74 is: 9,260.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.61 : 15,121.66 = 6,710.74 : x
  2. Step 2: Convert to fraction form
    10,958.61/15,121.66 = 6,710.74/x
  3. Step 3: Cross multiply
    10,958.61x = 15,121.66 × 6,710.74
  4. Step 4: Simplify right side
    10,958.61x = 101,477,528.63
  5. Step 5: Solve for x
    x = 101,477,528.63/10,958.61
  6. Step 6: Final answer
    x = 9,260.07

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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.