Home / 7,864.14-10,853.57-5,077.74

Finding the Fourth Proportional to 7,864.14, 10,853.57 and 5,077.74

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Solution

The fourth proportional to 7,864.14, 10,853.57 and 5,077.74 is: 7,007.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.14 : 10,853.57 = 5,077.74 : x
  2. Step 2: Convert to fraction form
    7,864.14/10,853.57 = 5,077.74/x
  3. Step 3: Cross multiply
    7,864.14x = 10,853.57 × 5,077.74
  4. Step 4: Simplify right side
    7,864.14x = 55,111,606.53
  5. Step 5: Solve for x
    x = 55,111,606.53/7,864.14
  6. Step 6: Final answer
    x = 7,007.96

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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.