Home / 8,329.76-11,475.56-5,807.29

Finding the Fourth Proportional to 8,329.76, 11,475.56 and 5,807.29

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Solution

The fourth proportional to 8,329.76, 11,475.56 and 5,807.29 is: 8,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329.76 : 11,475.56 = 5,807.29 : x
  2. Step 2: Convert to fraction form
    8,329.76/11,475.56 = 5,807.29/x
  3. Step 3: Cross multiply
    8,329.76x = 11,475.56 × 5,807.29
  4. Step 4: Simplify right side
    8,329.76x = 66,641,818.42
  5. Step 5: Solve for x
    x = 66,641,818.42/8,329.76
  6. Step 6: Final answer
    x = 8,000.45

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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.