Home / 9,521.65-14,253.77-5,125.78

Finding the Fourth Proportional to 9,521.65, 14,253.77 and 5,125.78

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Solution

The fourth proportional to 9,521.65, 14,253.77 and 5,125.78 is: 7,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521.65 : 14,253.77 = 5,125.78 : x
  2. Step 2: Convert to fraction form
    9,521.65/14,253.77 = 5,125.78/x
  3. Step 3: Cross multiply
    9,521.65x = 14,253.77 × 5,125.78
  4. Step 4: Simplify right side
    9,521.65x = 73,061,719.82
  5. Step 5: Solve for x
    x = 73,061,719.82/9,521.65
  6. Step 6: Final answer
    x = 7,673.22

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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.