Home / 7,925.36-11,885.47-3,545.96

Finding the Fourth Proportional to 7,925.36, 11,885.47 and 3,545.96

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Solution

The fourth proportional to 7,925.36, 11,885.47 and 3,545.96 is: 5,317.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.36 : 11,885.47 = 3,545.96 : x
  2. Step 2: Convert to fraction form
    7,925.36/11,885.47 = 3,545.96/x
  3. Step 3: Cross multiply
    7,925.36x = 11,885.47 × 3,545.96
  4. Step 4: Simplify right side
    7,925.36x = 42,145,332.91
  5. Step 5: Solve for x
    x = 42,145,332.91/7,925.36
  6. Step 6: Final answer
    x = 5,317.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.