Home / 7,343.55-10,133.91-4,156.83

Finding the Fourth Proportional to 7,343.55, 10,133.91 and 4,156.83

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Solution

The fourth proportional to 7,343.55, 10,133.91 and 4,156.83 is: 5,736.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.55 : 10,133.91 = 4,156.83 : x
  2. Step 2: Convert to fraction form
    7,343.55/10,133.91 = 4,156.83/x
  3. Step 3: Cross multiply
    7,343.55x = 10,133.91 × 4,156.83
  4. Step 4: Simplify right side
    7,343.55x = 42,124,941.11
  5. Step 5: Solve for x
    x = 42,124,941.11/7,343.55
  6. Step 6: Final answer
    x = 5,736.32

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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.