Home / 10,529.16-14,530.25-5,813.45

Finding the Fourth Proportional to 10,529.16, 14,530.25 and 5,813.45

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Solution

The fourth proportional to 10,529.16, 14,530.25 and 5,813.45 is: 8,022.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.16 : 14,530.25 = 5,813.45 : x
  2. Step 2: Convert to fraction form
    10,529.16/14,530.25 = 5,813.45/x
  3. Step 3: Cross multiply
    10,529.16x = 14,530.25 × 5,813.45
  4. Step 4: Simplify right side
    10,529.16x = 84,470,780.14
  5. Step 5: Solve for x
    x = 84,470,780.14/10,529.16
  6. Step 6: Final answer
    x = 8,022.56

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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.