Home / 6,501.92-8,972.10-3,848.86

Finding the Fourth Proportional to 6,501.92, 8,972.10 and 3,848.86

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Solution

The fourth proportional to 6,501.92, 8,972.10 and 3,848.86 is: 5,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,501.92 : 8,972.10 = 3,848.86 : x
  2. Step 2: Convert to fraction form
    6,501.92/8,972.10 = 3,848.86/x
  3. Step 3: Cross multiply
    6,501.92x = 8,972.10 × 3,848.86
  4. Step 4: Simplify right side
    6,501.92x = 34,532,356.81
  5. Step 5: Solve for x
    x = 34,532,356.81/6,501.92
  6. Step 6: Final answer
    x = 5,311.10

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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.