Home / 7,943.36-10,961.33-4,358.16

Finding the Fourth Proportional to 7,943.36, 10,961.33 and 4,358.16

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Solution

The fourth proportional to 7,943.36, 10,961.33 and 4,358.16 is: 6,013.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.36 : 10,961.33 = 4,358.16 : x
  2. Step 2: Convert to fraction form
    7,943.36/10,961.33 = 4,358.16/x
  3. Step 3: Cross multiply
    7,943.36x = 10,961.33 × 4,358.16
  4. Step 4: Simplify right side
    7,943.36x = 47,771,208.16
  5. Step 5: Solve for x
    x = 47,771,208.16/7,943.36
  6. Step 6: Final answer
    x = 6,013.98

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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.