Home / 7,335.77-10,123.18-4,191.75

Finding the Fourth Proportional to 7,335.77, 10,123.18 and 4,191.75

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Solution

The fourth proportional to 7,335.77, 10,123.18 and 4,191.75 is: 5,784.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.77 : 10,123.18 = 4,191.75 : x
  2. Step 2: Convert to fraction form
    7,335.77/10,123.18 = 4,191.75/x
  3. Step 3: Cross multiply
    7,335.77x = 10,123.18 × 4,191.75
  4. Step 4: Simplify right side
    7,335.77x = 42,433,829.29
  5. Step 5: Solve for x
    x = 42,433,829.29/7,335.77
  6. Step 6: Final answer
    x = 5,784.51

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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.