Home / 10,203.32-14,080.84-5,727.40

Finding the Fourth Proportional to 10,203.32, 14,080.84 and 5,727.40

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Solution

The fourth proportional to 10,203.32, 14,080.84 and 5,727.40 is: 7,903.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.32 : 14,080.84 = 5,727.40 : x
  2. Step 2: Convert to fraction form
    10,203.32/14,080.84 = 5,727.40/x
  3. Step 3: Cross multiply
    10,203.32x = 14,080.84 × 5,727.40
  4. Step 4: Simplify right side
    10,203.32x = 80,646,603.02
  5. Step 5: Solve for x
    x = 80,646,603.02/10,203.32
  6. Step 6: Final answer
    x = 7,903.96

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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.