Home / 10,933.86-15,088.74-6,218.46

Finding the Fourth Proportional to 10,933.86, 15,088.74 and 6,218.46

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Solution

The fourth proportional to 10,933.86, 15,088.74 and 6,218.46 is: 8,581.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.86 : 15,088.74 = 6,218.46 : x
  2. Step 2: Convert to fraction form
    10,933.86/15,088.74 = 6,218.46/x
  3. Step 3: Cross multiply
    10,933.86x = 15,088.74 × 6,218.46
  4. Step 4: Simplify right side
    10,933.86x = 93,828,726.14
  5. Step 5: Solve for x
    x = 93,828,726.14/10,933.86
  6. Step 6: Final answer
    x = 8,581.48

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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.