Home / 7,039.52-9,704.40-4,937.12

Finding the Fourth Proportional to 7,039.52, 9,704.40 and 4,937.12

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Solution

The fourth proportional to 7,039.52, 9,704.40 and 4,937.12 is: 6,806.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.52 : 9,704.40 = 4,937.12 : x
  2. Step 2: Convert to fraction form
    7,039.52/9,704.40 = 4,937.12/x
  3. Step 3: Cross multiply
    7,039.52x = 9,704.40 × 4,937.12
  4. Step 4: Simplify right side
    7,039.52x = 47,911,787.33
  5. Step 5: Solve for x
    x = 47,911,787.33/7,039.52
  6. Step 6: Final answer
    x = 6,806.12

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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.