Home / 8,948.73-12,349.39-4,915.93

Finding the Fourth Proportional to 8,948.73, 12,349.39 and 4,915.93

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Solution

The fourth proportional to 8,948.73, 12,349.39 and 4,915.93 is: 6,784.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,948.73 : 12,349.39 = 4,915.93 : x
  2. Step 2: Convert to fraction form
    8,948.73/12,349.39 = 4,915.93/x
  3. Step 3: Cross multiply
    8,948.73x = 12,349.39 × 4,915.93
  4. Step 4: Simplify right side
    8,948.73x = 60,708,675.04
  5. Step 5: Solve for x
    x = 60,708,675.04/8,948.73
  6. Step 6: Final answer
    x = 6,784.06

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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.