Home / 10,440.74-15,664.95-4,895.88

Finding the Fourth Proportional to 10,440.74, 15,664.95 and 4,895.88

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Solution

The fourth proportional to 10,440.74, 15,664.95 and 4,895.88 is: 7,345.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.74 : 15,664.95 = 4,895.88 : x
  2. Step 2: Convert to fraction form
    10,440.74/15,664.95 = 4,895.88/x
  3. Step 3: Cross multiply
    10,440.74x = 15,664.95 × 4,895.88
  4. Step 4: Simplify right side
    10,440.74x = 76,693,715.41
  5. Step 5: Solve for x
    x = 76,693,715.41/10,440.74
  6. Step 6: Final answer
    x = 7,345.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.