Home / 9,353.20-12,898.20-7,256.56

Finding the Fourth Proportional to 9,353.20, 12,898.20 and 7,256.56

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Solution

The fourth proportional to 9,353.20, 12,898.20 and 7,256.56 is: 10,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,353.20 : 12,898.20 = 7,256.56 : x
  2. Step 2: Convert to fraction form
    9,353.20/12,898.20 = 7,256.56/x
  3. Step 3: Cross multiply
    9,353.20x = 12,898.20 × 7,256.56
  4. Step 4: Simplify right side
    9,353.20x = 93,596,562.19
  5. Step 5: Solve for x
    x = 93,596,562.19/9,353.20
  6. Step 6: Final answer
    x = 10,006.90

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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.