Home / 7,861.13-10,847.17-4,457.95

Finding the Fourth Proportional to 7,861.13, 10,847.17 and 4,457.95

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Solution

The fourth proportional to 7,861.13, 10,847.17 and 4,457.95 is: 6,151.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.13 : 10,847.17 = 4,457.95 : x
  2. Step 2: Convert to fraction form
    7,861.13/10,847.17 = 4,457.95/x
  3. Step 3: Cross multiply
    7,861.13x = 10,847.17 × 4,457.95
  4. Step 4: Simplify right side
    7,861.13x = 48,356,141.50
  5. Step 5: Solve for x
    x = 48,356,141.50/7,861.13
  6. Step 6: Final answer
    x = 6,151.30

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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.