Home / 10,926.77-15,084.86-6,678.81

Finding the Fourth Proportional to 10,926.77, 15,084.86 and 6,678.81

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Solution

The fourth proportional to 10,926.77, 15,084.86 and 6,678.81 is: 9,220.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926.77 : 15,084.86 = 6,678.81 : x
  2. Step 2: Convert to fraction form
    10,926.77/15,084.86 = 6,678.81/x
  3. Step 3: Cross multiply
    10,926.77x = 15,084.86 × 6,678.81
  4. Step 4: Simplify right side
    10,926.77x = 100,748,880.42
  5. Step 5: Solve for x
    x = 100,748,880.42/10,926.77
  6. Step 6: Final answer
    x = 9,220.38

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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.