Home / 10,025.40-13,803.36-8,829.56

Finding the Fourth Proportional to 10,025.40, 13,803.36 and 8,829.56

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Solution

The fourth proportional to 10,025.40, 13,803.36 and 8,829.56 is: 12,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,025.40 : 13,803.36 = 8,829.56 : x
  2. Step 2: Convert to fraction form
    10,025.40/13,803.36 = 8,829.56/x
  3. Step 3: Cross multiply
    10,025.40x = 13,803.36 × 8,829.56
  4. Step 4: Simplify right side
    10,025.40x = 121,877,595.32
  5. Step 5: Solve for x
    x = 121,877,595.32/10,025.40
  6. Step 6: Final answer
    x = 12,156.88

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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.