Home / 11,140.40-16,710.60-4,984.40

Finding the Fourth Proportional to 11,140.40, 16,710.60 and 4,984.40

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Solution

The fourth proportional to 11,140.40, 16,710.60 and 4,984.40 is: 7,476.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.40 : 16,710.60 = 4,984.40 : x
  2. Step 2: Convert to fraction form
    11,140.40/16,710.60 = 4,984.40/x
  3. Step 3: Cross multiply
    11,140.40x = 16,710.60 × 4,984.40
  4. Step 4: Simplify right side
    11,140.40x = 83,292,314.64
  5. Step 5: Solve for x
    x = 83,292,314.64/11,140.40
  6. Step 6: Final answer
    x = 7,476.60

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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.