Home / 10,242.39-14,135.84-5,767.02

Finding the Fourth Proportional to 10,242.39, 14,135.84 and 5,767.02

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Solution

The fourth proportional to 10,242.39, 14,135.84 and 5,767.02 is: 7,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.39 : 14,135.84 = 5,767.02 : x
  2. Step 2: Convert to fraction form
    10,242.39/14,135.84 = 5,767.02/x
  3. Step 3: Cross multiply
    10,242.39x = 14,135.84 × 5,767.02
  4. Step 4: Simplify right side
    10,242.39x = 81,521,643.16
  5. Step 5: Solve for x
    x = 81,521,643.16/10,242.39
  6. Step 6: Final answer
    x = 7,959.24

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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.