Home / 11,918.04-16,444.50-7,202.58

Finding the Fourth Proportional to 11,918.04, 16,444.50 and 7,202.58

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Solution

The fourth proportional to 11,918.04, 16,444.50 and 7,202.58 is: 9,938.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918.04 : 16,444.50 = 7,202.58 : x
  2. Step 2: Convert to fraction form
    11,918.04/16,444.50 = 7,202.58/x
  3. Step 3: Cross multiply
    11,918.04x = 16,444.50 × 7,202.58
  4. Step 4: Simplify right side
    11,918.04x = 118,442,826.81
  5. Step 5: Solve for x
    x = 118,442,826.81/11,918.04
  6. Step 6: Final answer
    x = 9,938.11

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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.