Home / 10,730.10-16,095.15-8,907.60

Finding the Fourth Proportional to 10,730.10, 16,095.15 and 8,907.60

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Solution

The fourth proportional to 10,730.10, 16,095.15 and 8,907.60 is: 13,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,730.10 : 16,095.15 = 8,907.60 : x
  2. Step 2: Convert to fraction form
    10,730.10/16,095.15 = 8,907.60/x
  3. Step 3: Cross multiply
    10,730.10x = 16,095.15 × 8,907.60
  4. Step 4: Simplify right side
    10,730.10x = 143,369,158.14
  5. Step 5: Solve for x
    x = 143,369,158.14/10,730.10
  6. Step 6: Final answer
    x = 13,361.40

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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.