Home / 10,343.35-15,490.23-5,656.33

Finding the Fourth Proportional to 10,343.35, 15,490.23 and 5,656.33

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Solution

The fourth proportional to 10,343.35, 15,490.23 and 5,656.33 is: 8,470.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.35 : 15,490.23 = 5,656.33 : x
  2. Step 2: Convert to fraction form
    10,343.35/15,490.23 = 5,656.33/x
  3. Step 3: Cross multiply
    10,343.35x = 15,490.23 × 5,656.33
  4. Step 4: Simplify right side
    10,343.35x = 87,617,852.66
  5. Step 5: Solve for x
    x = 87,617,852.66/10,343.35
  6. Step 6: Final answer
    x = 8,470.94

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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.