Home / 10,261.18-14,219.92-10,064.32

Finding the Fourth Proportional to 10,261.18, 14,219.92 and 10,064.32

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Solution

The fourth proportional to 10,261.18, 14,219.92 and 10,064.32 is: 13,947.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.18 : 14,219.92 = 10,064.32 : x
  2. Step 2: Convert to fraction form
    10,261.18/14,219.92 = 10,064.32/x
  3. Step 3: Cross multiply
    10,261.18x = 14,219.92 × 10,064.32
  4. Step 4: Simplify right side
    10,261.18x = 143,113,825.25
  5. Step 5: Solve for x
    x = 143,113,825.25/10,261.18
  6. Step 6: Final answer
    x = 13,947.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.