Home / 9,021.42-12,455.10-5,837.58

Finding the Fourth Proportional to 9,021.42, 12,455.10 and 5,837.58

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Solution

The fourth proportional to 9,021.42, 12,455.10 and 5,837.58 is: 8,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.42 : 12,455.10 = 5,837.58 : x
  2. Step 2: Convert to fraction form
    9,021.42/12,455.10 = 5,837.58/x
  3. Step 3: Cross multiply
    9,021.42x = 12,455.10 × 5,837.58
  4. Step 4: Simplify right side
    9,021.42x = 72,707,642.66
  5. Step 5: Solve for x
    x = 72,707,642.66/9,021.42
  6. Step 6: Final answer
    x = 8,059.45

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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.