Home / 9,942.51-13,719.85-5,853.66

Finding the Fourth Proportional to 9,942.51, 13,719.85 and 5,853.66

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Solution

The fourth proportional to 9,942.51, 13,719.85 and 5,853.66 is: 8,077.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,942.51 : 13,719.85 = 5,853.66 : x
  2. Step 2: Convert to fraction form
    9,942.51/13,719.85 = 5,853.66/x
  3. Step 3: Cross multiply
    9,942.51x = 13,719.85 × 5,853.66
  4. Step 4: Simplify right side
    9,942.51x = 80,311,307.88
  5. Step 5: Solve for x
    x = 80,311,307.88/9,942.51
  6. Step 6: Final answer
    x = 8,077.57

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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.