Home / 6,987.72-10,456.44-4,607.52

Finding the Fourth Proportional to 6,987.72, 10,456.44 and 4,607.52

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Solution

The fourth proportional to 6,987.72, 10,456.44 and 4,607.52 is: 6,894.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.72 : 10,456.44 = 4,607.52 : x
  2. Step 2: Convert to fraction form
    6,987.72/10,456.44 = 4,607.52/x
  3. Step 3: Cross multiply
    6,987.72x = 10,456.44 × 4,607.52
  4. Step 4: Simplify right side
    6,987.72x = 48,178,256.43
  5. Step 5: Solve for x
    x = 48,178,256.43/6,987.72
  6. Step 6: Final answer
    x = 6,894.70

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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.