Home / 8,014.96-11,058.60-4,871.20

Finding the Fourth Proportional to 8,014.96, 11,058.60 and 4,871.20

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Solution

The fourth proportional to 8,014.96, 11,058.60 and 4,871.20 is: 6,721.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,014.96 : 11,058.60 = 4,871.20 : x
  2. Step 2: Convert to fraction form
    8,014.96/11,058.60 = 4,871.20/x
  3. Step 3: Cross multiply
    8,014.96x = 11,058.60 × 4,871.20
  4. Step 4: Simplify right side
    8,014.96x = 53,868,652.32
  5. Step 5: Solve for x
    x = 53,868,652.32/8,014.96
  6. Step 6: Final answer
    x = 6,721.01

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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.