Home / 11,347.81-17,011.34-4,774.46

Finding the Fourth Proportional to 11,347.81, 17,011.34 and 4,774.46

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Solution

The fourth proportional to 11,347.81, 17,011.34 and 4,774.46 is: 7,157.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.81 : 17,011.34 = 4,774.46 : x
  2. Step 2: Convert to fraction form
    11,347.81/17,011.34 = 4,774.46/x
  3. Step 3: Cross multiply
    11,347.81x = 17,011.34 × 4,774.46
  4. Step 4: Simplify right side
    11,347.81x = 81,219,962.38
  5. Step 5: Solve for x
    x = 81,219,962.38/11,347.81
  6. Step 6: Final answer
    x = 7,157.32

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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.