Home / 10,257.84-14,155.66-5,782.02

Finding the Fourth Proportional to 10,257.84, 14,155.66 and 5,782.02

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Solution

The fourth proportional to 10,257.84, 14,155.66 and 5,782.02 is: 7,979.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,257.84 : 14,155.66 = 5,782.02 : x
  2. Step 2: Convert to fraction form
    10,257.84/14,155.66 = 5,782.02/x
  3. Step 3: Cross multiply
    10,257.84x = 14,155.66 × 5,782.02
  4. Step 4: Simplify right side
    10,257.84x = 81,848,263.38
  5. Step 5: Solve for x
    x = 81,848,263.38/10,257.84
  6. Step 6: Final answer
    x = 7,979.09

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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.