Home / 12,741.64-19,108.62-4,948.60

Finding the Fourth Proportional to 12,741.64, 19,108.62 and 4,948.60

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Solution

The fourth proportional to 12,741.64, 19,108.62 and 4,948.60 is: 7,421.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.64 : 19,108.62 = 4,948.60 : x
  2. Step 2: Convert to fraction form
    12,741.64/19,108.62 = 4,948.60/x
  3. Step 3: Cross multiply
    12,741.64x = 19,108.62 × 4,948.60
  4. Step 4: Simplify right side
    12,741.64x = 94,560,916.93
  5. Step 5: Solve for x
    x = 94,560,916.93/12,741.64
  6. Step 6: Final answer
    x = 7,421.41

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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.