Home / 10,531.14-14,533.02-5,815.56

Finding the Fourth Proportional to 10,531.14, 14,533.02 and 5,815.56

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Solution

The fourth proportional to 10,531.14, 14,533.02 and 5,815.56 is: 8,025.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.14 : 14,533.02 = 5,815.56 : x
  2. Step 2: Convert to fraction form
    10,531.14/14,533.02 = 5,815.56/x
  3. Step 3: Cross multiply
    10,531.14x = 14,533.02 × 5,815.56
  4. Step 4: Simplify right side
    10,531.14x = 84,517,649.79
  5. Step 5: Solve for x
    x = 84,517,649.79/10,531.14
  6. Step 6: Final answer
    x = 8,025.50

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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.