Home / 7,861.41-10,848.75-4,717.60

Finding the Fourth Proportional to 7,861.41, 10,848.75 and 4,717.60

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Solution

The fourth proportional to 7,861.41, 10,848.75 and 4,717.60 is: 6,510.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.41 : 10,848.75 = 4,717.60 : x
  2. Step 2: Convert to fraction form
    7,861.41/10,848.75 = 4,717.60/x
  3. Step 3: Cross multiply
    7,861.41x = 10,848.75 × 4,717.60
  4. Step 4: Simplify right side
    7,861.41x = 51,180,035.88
  5. Step 5: Solve for x
    x = 51,180,035.88/7,861.41
  6. Step 6: Final answer
    x = 6,510.29

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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.