Home / 11,284.16-15,572.16-6,316.16

Finding the Fourth Proportional to 11,284.16, 15,572.16 and 6,316.16

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Solution

The fourth proportional to 11,284.16, 15,572.16 and 6,316.16 is: 8,716.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.16 : 15,572.16 = 6,316.16 : x
  2. Step 2: Convert to fraction form
    11,284.16/15,572.16 = 6,316.16/x
  3. Step 3: Cross multiply
    11,284.16x = 15,572.16 × 6,316.16
  4. Step 4: Simplify right side
    11,284.16x = 98,356,254.11
  5. Step 5: Solve for x
    x = 98,356,254.11/11,284.16
  6. Step 6: Final answer
    x = 8,716.31

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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.