Home / 10,380.51-14,325.30-5,904.36

Finding the Fourth Proportional to 10,380.51, 14,325.30 and 5,904.36

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Solution

The fourth proportional to 10,380.51, 14,325.30 and 5,904.36 is: 8,148.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.51 : 14,325.30 = 5,904.36 : x
  2. Step 2: Convert to fraction form
    10,380.51/14,325.30 = 5,904.36/x
  3. Step 3: Cross multiply
    10,380.51x = 14,325.30 × 5,904.36
  4. Step 4: Simplify right side
    10,380.51x = 84,581,728.31
  5. Step 5: Solve for x
    x = 84,581,728.31/10,380.51
  6. Step 6: Final answer
    x = 8,148.13

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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.