Home / 9,837.18-13,575.51-5,361.12

Finding the Fourth Proportional to 9,837.18, 13,575.51 and 5,361.12

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Solution

The fourth proportional to 9,837.18, 13,575.51 and 5,361.12 is: 7,398.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,837.18 : 13,575.51 = 5,361.12 : x
  2. Step 2: Convert to fraction form
    9,837.18/13,575.51 = 5,361.12/x
  3. Step 3: Cross multiply
    9,837.18x = 13,575.51 × 5,361.12
  4. Step 4: Simplify right side
    9,837.18x = 72,779,938.17
  5. Step 5: Solve for x
    x = 72,779,938.17/9,837.18
  6. Step 6: Final answer
    x = 7,398.46

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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.