Home / 9,862.65-13,610.80-5,614.35

Finding the Fourth Proportional to 9,862.65, 13,610.80 and 5,614.35

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Solution

The fourth proportional to 9,862.65, 13,610.80 and 5,614.35 is: 7,748.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,862.65 : 13,610.80 = 5,614.35 : x
  2. Step 2: Convert to fraction form
    9,862.65/13,610.80 = 5,614.35/x
  3. Step 3: Cross multiply
    9,862.65x = 13,610.80 × 5,614.35
  4. Step 4: Simplify right side
    9,862.65x = 76,415,794.98
  5. Step 5: Solve for x
    x = 76,415,794.98/9,862.65
  6. Step 6: Final answer
    x = 7,748.00

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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.