Home / 10,316.09-15,476.22-4,079.06

Finding the Fourth Proportional to 10,316.09, 15,476.22 and 4,079.06

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Solution

The fourth proportional to 10,316.09, 15,476.22 and 4,079.06 is: 6,119.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.09 : 15,476.22 = 4,079.06 : x
  2. Step 2: Convert to fraction form
    10,316.09/15,476.22 = 4,079.06/x
  3. Step 3: Cross multiply
    10,316.09x = 15,476.22 × 4,079.06
  4. Step 4: Simplify right side
    10,316.09x = 63,128,429.95
  5. Step 5: Solve for x
    x = 63,128,429.95/10,316.09
  6. Step 6: Final answer
    x = 6,119.41

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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.