Home / 7,533.10-11,311.80-5,686.30

Finding the Fourth Proportional to 7,533.10, 11,311.80 and 5,686.30

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Solution

The fourth proportional to 7,533.10, 11,311.80 and 5,686.30 is: 8,538.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,533.10 : 11,311.80 = 5,686.30 : x
  2. Step 2: Convert to fraction form
    7,533.10/11,311.80 = 5,686.30/x
  3. Step 3: Cross multiply
    7,533.10x = 11,311.80 × 5,686.30
  4. Step 4: Simplify right side
    7,533.10x = 64,322,288.34
  5. Step 5: Solve for x
    x = 64,322,288.34/7,533.10
  6. Step 6: Final answer
    x = 8,538.62

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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.