Home / 10,730.60-16,095.90-8,851.40

Finding the Fourth Proportional to 10,730.60, 16,095.90 and 8,851.40

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Solution

The fourth proportional to 10,730.60, 16,095.90 and 8,851.40 is: 13,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,730.60 : 16,095.90 = 8,851.40 : x
  2. Step 2: Convert to fraction form
    10,730.60/16,095.90 = 8,851.40/x
  3. Step 3: Cross multiply
    10,730.60x = 16,095.90 × 8,851.40
  4. Step 4: Simplify right side
    10,730.60x = 142,471,249.26
  5. Step 5: Solve for x
    x = 142,471,249.26/10,730.60
  6. Step 6: Final answer
    x = 13,277.10

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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.