Home / 10,856.81-14,981.36-6,076.51

Finding the Fourth Proportional to 10,856.81, 14,981.36 and 6,076.51

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Solution

The fourth proportional to 10,856.81, 14,981.36 and 6,076.51 is: 8,384.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.81 : 14,981.36 = 6,076.51 : x
  2. Step 2: Convert to fraction form
    10,856.81/14,981.36 = 6,076.51/x
  3. Step 3: Cross multiply
    10,856.81x = 14,981.36 × 6,076.51
  4. Step 4: Simplify right side
    10,856.81x = 91,034,316.02
  5. Step 5: Solve for x
    x = 91,034,316.02/10,856.81
  6. Step 6: Final answer
    x = 8,384.99

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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.