Home / 8,457.17-11,670.66-4,680.50

Finding the Fourth Proportional to 8,457.17, 11,670.66 and 4,680.50

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Solution

The fourth proportional to 8,457.17, 11,670.66 and 4,680.50 is: 6,458.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.17 : 11,670.66 = 4,680.50 : x
  2. Step 2: Convert to fraction form
    8,457.17/11,670.66 = 4,680.50/x
  3. Step 3: Cross multiply
    8,457.17x = 11,670.66 × 4,680.50
  4. Step 4: Simplify right side
    8,457.17x = 54,624,465.78
  5. Step 5: Solve for x
    x = 54,624,465.78/8,457.17
  6. Step 6: Final answer
    x = 6,458.95

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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.