Home / 10,343.08-15,521.10-4,187.08

Finding the Fourth Proportional to 10,343.08, 15,521.10 and 4,187.08

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Solution

The fourth proportional to 10,343.08, 15,521.10 and 4,187.08 is: 6,283.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.08 : 15,521.10 = 4,187.08 : x
  2. Step 2: Convert to fraction form
    10,343.08/15,521.10 = 4,187.08/x
  3. Step 3: Cross multiply
    10,343.08x = 15,521.10 × 4,187.08
  4. Step 4: Simplify right side
    10,343.08x = 64,988,087.39
  5. Step 5: Solve for x
    x = 64,988,087.39/10,343.08
  6. Step 6: Final answer
    x = 6,283.24

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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.