Home / 10,964.42-15,127.45-6,711.05

Finding the Fourth Proportional to 10,964.42, 15,127.45 and 6,711.05

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Solution

The fourth proportional to 10,964.42, 15,127.45 and 6,711.05 is: 9,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.42 : 15,127.45 = 6,711.05 : x
  2. Step 2: Convert to fraction form
    10,964.42/15,127.45 = 6,711.05/x
  3. Step 3: Cross multiply
    10,964.42x = 15,127.45 × 6,711.05
  4. Step 4: Simplify right side
    10,964.42x = 101,521,009.27
  5. Step 5: Solve for x
    x = 101,521,009.27/10,964.42
  6. Step 6: Final answer
    x = 9,259.13

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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.