Home / 9,855.07-14,774.75-5,690.35

Finding the Fourth Proportional to 9,855.07, 14,774.75 and 5,690.35

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Solution

The fourth proportional to 9,855.07, 14,774.75 and 5,690.35 is: 8,530.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.07 : 14,774.75 = 5,690.35 : x
  2. Step 2: Convert to fraction form
    9,855.07/14,774.75 = 5,690.35/x
  3. Step 3: Cross multiply
    9,855.07x = 14,774.75 × 5,690.35
  4. Step 4: Simplify right side
    9,855.07x = 84,073,498.66
  5. Step 5: Solve for x
    x = 84,073,498.66/9,855.07
  6. Step 6: Final answer
    x = 8,530.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.