Home / 10,083.60-15,125.40-8,852.40

Finding the Fourth Proportional to 10,083.60, 15,125.40 and 8,852.40

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Solution

The fourth proportional to 10,083.60, 15,125.40 and 8,852.40 is: 13,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.60 : 15,125.40 = 8,852.40 : x
  2. Step 2: Convert to fraction form
    10,083.60/15,125.40 = 8,852.40/x
  3. Step 3: Cross multiply
    10,083.60x = 15,125.40 × 8,852.40
  4. Step 4: Simplify right side
    10,083.60x = 133,896,090.96
  5. Step 5: Solve for x
    x = 133,896,090.96/10,083.60
  6. Step 6: Final answer
    x = 13,278.60

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1.5x scale

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.