Home / 10,317.60-15,476.40-9,194.40

Finding the Fourth Proportional to 10,317.60, 15,476.40 and 9,194.40

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Solution

The fourth proportional to 10,317.60, 15,476.40 and 9,194.40 is: 13,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.60 : 15,476.40 = 9,194.40 : x
  2. Step 2: Convert to fraction form
    10,317.60/15,476.40 = 9,194.40/x
  3. Step 3: Cross multiply
    10,317.60x = 15,476.40 × 9,194.40
  4. Step 4: Simplify right side
    10,317.60x = 142,296,212.16
  5. Step 5: Solve for x
    x = 142,296,212.16/10,317.60
  6. Step 6: Final answer
    x = 13,791.60

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1.5x scale

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.