Home / 11,888.08-16,405.55-6,582.90

Finding the Fourth Proportional to 11,888.08, 16,405.55 and 6,582.90

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Solution

The fourth proportional to 11,888.08, 16,405.55 and 6,582.90 is: 9,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.08 : 16,405.55 = 6,582.90 : x
  2. Step 2: Convert to fraction form
    11,888.08/16,405.55 = 6,582.90/x
  3. Step 3: Cross multiply
    11,888.08x = 16,405.55 × 6,582.90
  4. Step 4: Simplify right side
    11,888.08x = 107,996,095.10
  5. Step 5: Solve for x
    x = 107,996,095.10/11,888.08
  6. Step 6: Final answer
    x = 9,084.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.