Home / 7,349.58-10,143.63-5,366.70

Finding the Fourth Proportional to 7,349.58, 10,143.63 and 5,366.70

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Solution

The fourth proportional to 7,349.58, 10,143.63 and 5,366.70 is: 7,406.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,349.58 : 10,143.63 = 5,366.70 : x
  2. Step 2: Convert to fraction form
    7,349.58/10,143.63 = 5,366.70/x
  3. Step 3: Cross multiply
    7,349.58x = 10,143.63 × 5,366.70
  4. Step 4: Simplify right side
    7,349.58x = 54,437,819.12
  5. Step 5: Solve for x
    x = 54,437,819.12/7,349.58
  6. Step 6: Final answer
    x = 7,406.93

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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.