Home / 8,359.30-11,526.38-5,330.38

Finding the Fourth Proportional to 8,359.30, 11,526.38 and 5,330.38

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Solution

The fourth proportional to 8,359.30, 11,526.38 and 5,330.38 is: 7,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.30 : 11,526.38 = 5,330.38 : x
  2. Step 2: Convert to fraction form
    8,359.30/11,526.38 = 5,330.38/x
  3. Step 3: Cross multiply
    8,359.30x = 11,526.38 × 5,330.38
  4. Step 4: Simplify right side
    8,359.30x = 61,439,985.42
  5. Step 5: Solve for x
    x = 61,439,985.42/8,359.30
  6. Step 6: Final answer
    x = 7,349.90

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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.