Home / 10,505.18-14,497.08-5,789.36

Finding the Fourth Proportional to 10,505.18, 14,497.08 and 5,789.36

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Solution

The fourth proportional to 10,505.18, 14,497.08 and 5,789.36 is: 7,989.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505.18 : 14,497.08 = 5,789.36 : x
  2. Step 2: Convert to fraction form
    10,505.18/14,497.08 = 5,789.36/x
  3. Step 3: Cross multiply
    10,505.18x = 14,497.08 × 5,789.36
  4. Step 4: Simplify right side
    10,505.18x = 83,928,815.07
  5. Step 5: Solve for x
    x = 83,928,815.07/10,505.18
  6. Step 6: Final answer
    x = 7,989.28

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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.