Home / 10,457.28-15,688.31-3,061.46

Finding the Fourth Proportional to 10,457.28, 15,688.31 and 3,061.46

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Solution

The fourth proportional to 10,457.28, 15,688.31 and 3,061.46 is: 4,592.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,457.28 : 15,688.31 = 3,061.46 : x
  2. Step 2: Convert to fraction form
    10,457.28/15,688.31 = 3,061.46/x
  3. Step 3: Cross multiply
    10,457.28x = 15,688.31 × 3,061.46
  4. Step 4: Simplify right side
    10,457.28x = 48,029,099.87
  5. Step 5: Solve for x
    x = 48,029,099.87/10,457.28
  6. Step 6: Final answer
    x = 4,592.89

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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.