Home / 7,156.47-10,733.55-1,961.13

Finding the Fourth Proportional to 7,156.47, 10,733.55 and 1,961.13

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Solution

The fourth proportional to 7,156.47, 10,733.55 and 1,961.13 is: 2,941.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.47 : 10,733.55 = 1,961.13 : x
  2. Step 2: Convert to fraction form
    7,156.47/10,733.55 = 1,961.13/x
  3. Step 3: Cross multiply
    7,156.47x = 10,733.55 × 1,961.13
  4. Step 4: Simplify right side
    7,156.47x = 21,049,886.91
  5. Step 5: Solve for x
    x = 21,049,886.91/7,156.47
  6. Step 6: Final answer
    x = 2,941.38

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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.