Home / 11,055.10-16,582.65-8,868.10

Finding the Fourth Proportional to 11,055.10, 16,582.65 and 8,868.10

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Solution

The fourth proportional to 11,055.10, 16,582.65 and 8,868.10 is: 13,302.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.10 : 16,582.65 = 8,868.10 : x
  2. Step 2: Convert to fraction form
    11,055.10/16,582.65 = 8,868.10/x
  3. Step 3: Cross multiply
    11,055.10x = 16,582.65 × 8,868.10
  4. Step 4: Simplify right side
    11,055.10x = 147,056,598.47
  5. Step 5: Solve for x
    x = 147,056,598.47/11,055.10
  6. Step 6: Final answer
    x = 13,302.15

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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.