Home / 11,030.68-15,222.63-6,316.48

Finding the Fourth Proportional to 11,030.68, 15,222.63 and 6,316.48

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Solution

The fourth proportional to 11,030.68, 15,222.63 and 6,316.48 is: 8,716.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.68 : 15,222.63 = 6,316.48 : x
  2. Step 2: Convert to fraction form
    11,030.68/15,222.63 = 6,316.48/x
  3. Step 3: Cross multiply
    11,030.68x = 15,222.63 × 6,316.48
  4. Step 4: Simplify right side
    11,030.68x = 96,153,437.94
  5. Step 5: Solve for x
    x = 96,153,437.94/11,030.68
  6. Step 6: Final answer
    x = 8,716.91

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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.