Home / 10,643.91-14,688.45-5,928.23

Finding the Fourth Proportional to 10,643.91, 14,688.45 and 5,928.23

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Solution

The fourth proportional to 10,643.91, 14,688.45 and 5,928.23 is: 8,180.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.91 : 14,688.45 = 5,928.23 : x
  2. Step 2: Convert to fraction form
    10,643.91/14,688.45 = 5,928.23/x
  3. Step 3: Cross multiply
    10,643.91x = 14,688.45 × 5,928.23
  4. Step 4: Simplify right side
    10,643.91x = 87,076,436.50
  5. Step 5: Solve for x
    x = 87,076,436.50/10,643.91
  6. Step 6: Final answer
    x = 8,180.87

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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.