Home / 9,218.82-13,735.47-9,126.64

Finding the Fourth Proportional to 9,218.82, 13,735.47 and 9,126.64

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Solution

The fourth proportional to 9,218.82, 13,735.47 and 9,126.64 is: 13,598.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218.82 : 13,735.47 = 9,126.64 : x
  2. Step 2: Convert to fraction form
    9,218.82/13,735.47 = 9,126.64/x
  3. Step 3: Cross multiply
    9,218.82x = 13,735.47 × 9,126.64
  4. Step 4: Simplify right side
    9,218.82x = 125,358,741.32
  5. Step 5: Solve for x
    x = 125,358,741.32/9,218.82
  6. Step 6: Final answer
    x = 13,598.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.