Home / 10,907.10-16,336.35-9,449.10

Finding the Fourth Proportional to 10,907.10, 16,336.35 and 9,449.10

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Solution

The fourth proportional to 10,907.10, 16,336.35 and 9,449.10 is: 14,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.10 : 16,336.35 = 9,449.10 : x
  2. Step 2: Convert to fraction form
    10,907.10/16,336.35 = 9,449.10/x
  3. Step 3: Cross multiply
    10,907.10x = 16,336.35 × 9,449.10
  4. Step 4: Simplify right side
    10,907.10x = 154,363,804.79
  5. Step 5: Solve for x
    x = 154,363,804.79/10,907.10
  6. Step 6: Final answer
    x = 14,152.60

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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.