Home / 10,678.86-16,018.29-2,888.46

Finding the Fourth Proportional to 10,678.86, 16,018.29 and 2,888.46

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Solution

The fourth proportional to 10,678.86, 16,018.29 and 2,888.46 is: 4,332.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,678.86 : 16,018.29 = 2,888.46 : x
  2. Step 2: Convert to fraction form
    10,678.86/16,018.29 = 2,888.46/x
  3. Step 3: Cross multiply
    10,678.86x = 16,018.29 × 2,888.46
  4. Step 4: Simplify right side
    10,678.86x = 46,268,189.93
  5. Step 5: Solve for x
    x = 46,268,189.93/10,678.86
  6. Step 6: Final answer
    x = 4,332.69

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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.