Home / 10,880.18-16,319.55-6,483.86

Finding the Fourth Proportional to 10,880.18, 16,319.55 and 6,483.86

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Solution

The fourth proportional to 10,880.18, 16,319.55 and 6,483.86 is: 9,725.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.18 : 16,319.55 = 6,483.86 : x
  2. Step 2: Convert to fraction form
    10,880.18/16,319.55 = 6,483.86/x
  3. Step 3: Cross multiply
    10,880.18x = 16,319.55 × 6,483.86
  4. Step 4: Simplify right side
    10,880.18x = 105,813,677.46
  5. Step 5: Solve for x
    x = 105,813,677.46/10,880.18
  6. Step 6: Final answer
    x = 9,725.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.