Home / 7,353.30-10,143.78-4,697.94

Finding the Fourth Proportional to 7,353.30, 10,143.78 and 4,697.94

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Solution

The fourth proportional to 7,353.30, 10,143.78 and 4,697.94 is: 6,480.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.30 : 10,143.78 = 4,697.94 : x
  2. Step 2: Convert to fraction form
    7,353.30/10,143.78 = 4,697.94/x
  3. Step 3: Cross multiply
    7,353.30x = 10,143.78 × 4,697.94
  4. Step 4: Simplify right side
    7,353.30x = 47,654,869.81
  5. Step 5: Solve for x
    x = 47,654,869.81/7,353.30
  6. Step 6: Final answer
    x = 6,480.75

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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.