Home / 10,587.15-15,875.60-3,190.23

Finding the Fourth Proportional to 10,587.15, 15,875.60 and 3,190.23

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Solution

The fourth proportional to 10,587.15, 15,875.60 and 3,190.23 is: 4,783.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.15 : 15,875.60 = 3,190.23 : x
  2. Step 2: Convert to fraction form
    10,587.15/15,875.60 = 3,190.23/x
  3. Step 3: Cross multiply
    10,587.15x = 15,875.60 × 3,190.23
  4. Step 4: Simplify right side
    10,587.15x = 50,646,799.44
  5. Step 5: Solve for x
    x = 50,646,799.44/10,587.15
  6. Step 6: Final answer
    x = 4,783.80

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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.