Home / 10,586.73-15,885.30-7,486.65

Finding the Fourth Proportional to 10,586.73, 15,885.30 and 7,486.65

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Solution

The fourth proportional to 10,586.73, 15,885.30 and 7,486.65 is: 11,233.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,586.73 : 15,885.30 = 7,486.65 : x
  2. Step 2: Convert to fraction form
    10,586.73/15,885.30 = 7,486.65/x
  3. Step 3: Cross multiply
    10,586.73x = 15,885.30 × 7,486.65
  4. Step 4: Simplify right side
    10,586.73x = 118,927,681.25
  5. Step 5: Solve for x
    x = 118,927,681.25/10,586.73
  6. Step 6: Final answer
    x = 11,233.66

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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.