Home / 11,930.04-16,461.06-7,214.60

Finding the Fourth Proportional to 11,930.04, 16,461.06 and 7,214.60

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Solution

The fourth proportional to 11,930.04, 16,461.06 and 7,214.60 is: 9,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.04 : 16,461.06 = 7,214.60 : x
  2. Step 2: Convert to fraction form
    11,930.04/16,461.06 = 7,214.60/x
  3. Step 3: Cross multiply
    11,930.04x = 16,461.06 × 7,214.60
  4. Step 4: Simplify right side
    11,930.04x = 118,759,963.48
  5. Step 5: Solve for x
    x = 118,759,963.48/11,930.04
  6. Step 6: Final answer
    x = 9,954.70

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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.