Home / 10,530.24-14,532.60-5,815.44

Finding the Fourth Proportional to 10,530.24, 14,532.60 and 5,815.44

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Solution

The fourth proportional to 10,530.24, 14,532.60 and 5,815.44 is: 8,025.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.24 : 14,532.60 = 5,815.44 : x
  2. Step 2: Convert to fraction form
    10,530.24/14,532.60 = 5,815.44/x
  3. Step 3: Cross multiply
    10,530.24x = 14,532.60 × 5,815.44
  4. Step 4: Simplify right side
    10,530.24x = 84,513,463.34
  5. Step 5: Solve for x
    x = 84,513,463.34/10,530.24
  6. Step 6: Final answer
    x = 8,025.79

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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.