Home / 7,195.36-9,931.08-4,212.76

Finding the Fourth Proportional to 7,195.36, 9,931.08 and 4,212.76

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Solution

The fourth proportional to 7,195.36, 9,931.08 and 4,212.76 is: 5,814.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.36 : 9,931.08 = 4,212.76 : x
  2. Step 2: Convert to fraction form
    7,195.36/9,931.08 = 4,212.76/x
  3. Step 3: Cross multiply
    7,195.36x = 9,931.08 × 4,212.76
  4. Step 4: Simplify right side
    7,195.36x = 41,837,256.58
  5. Step 5: Solve for x
    x = 41,837,256.58/7,195.36
  6. Step 6: Final answer
    x = 5,814.48

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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.