Home / 12,862.40-19,277.70-7,592.06

Finding the Fourth Proportional to 12,862.40, 19,277.70 and 7,592.06

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Solution

The fourth proportional to 12,862.40, 19,277.70 and 7,592.06 is: 11,378.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.40 : 19,277.70 = 7,592.06 : x
  2. Step 2: Convert to fraction form
    12,862.40/19,277.70 = 7,592.06/x
  3. Step 3: Cross multiply
    12,862.40x = 19,277.70 × 7,592.06
  4. Step 4: Simplify right side
    12,862.40x = 146,357,474.79
  5. Step 5: Solve for x
    x = 146,357,474.79/12,862.40
  6. Step 6: Final answer
    x = 11,378.71

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1.5x scale

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.