Home / 10,358.91-14,295.24-5,643.18

Finding the Fourth Proportional to 10,358.91, 14,295.24 and 5,643.18

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Solution

The fourth proportional to 10,358.91, 14,295.24 and 5,643.18 is: 7,787.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.91 : 14,295.24 = 5,643.18 : x
  2. Step 2: Convert to fraction form
    10,358.91/14,295.24 = 5,643.18/x
  3. Step 3: Cross multiply
    10,358.91x = 14,295.24 × 5,643.18
  4. Step 4: Simplify right side
    10,358.91x = 80,670,612.46
  5. Step 5: Solve for x
    x = 80,670,612.46/10,358.91
  6. Step 6: Final answer
    x = 7,787.56

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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.