Home / 7,335.16-10,122.30-4,191.64

Finding the Fourth Proportional to 7,335.16, 10,122.30 and 4,191.64

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Solution

The fourth proportional to 7,335.16, 10,122.30 and 4,191.64 is: 5,784.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.16 : 10,122.30 = 4,191.64 : x
  2. Step 2: Convert to fraction form
    7,335.16/10,122.30 = 4,191.64/x
  3. Step 3: Cross multiply
    7,335.16x = 10,122.30 × 4,191.64
  4. Step 4: Simplify right side
    7,335.16x = 42,429,037.57
  5. Step 5: Solve for x
    x = 42,429,037.57/7,335.16
  6. Step 6: Final answer
    x = 5,784.34

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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.