Home / 9,837.40-13,575.76-5,361.36

Finding the Fourth Proportional to 9,837.40, 13,575.76 and 5,361.36

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Solution

The fourth proportional to 9,837.40, 13,575.76 and 5,361.36 is: 7,398.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,837.40 : 13,575.76 = 5,361.36 : x
  2. Step 2: Convert to fraction form
    9,837.40/13,575.76 = 5,361.36/x
  3. Step 3: Cross multiply
    9,837.40x = 13,575.76 × 5,361.36
  4. Step 4: Simplify right side
    9,837.40x = 72,784,536.63
  5. Step 5: Solve for x
    x = 72,784,536.63/9,837.40
  6. Step 6: Final answer
    x = 7,398.76

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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.