Home / 7,247.46-10,009.65-4,885.50

Finding the Fourth Proportional to 7,247.46, 10,009.65 and 4,885.50

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Solution

The fourth proportional to 7,247.46, 10,009.65 and 4,885.50 is: 6,747.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.46 : 10,009.65 = 4,885.50 : x
  2. Step 2: Convert to fraction form
    7,247.46/10,009.65 = 4,885.50/x
  3. Step 3: Cross multiply
    7,247.46x = 10,009.65 × 4,885.50
  4. Step 4: Simplify right side
    7,247.46x = 48,902,145.08
  5. Step 5: Solve for x
    x = 48,902,145.08/7,247.46
  6. Step 6: Final answer
    x = 6,747.49

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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.