Home / 11,316.71-15,617.10-6,281.03

Finding the Fourth Proportional to 11,316.71, 15,617.10 and 6,281.03

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Solution

The fourth proportional to 11,316.71, 15,617.10 and 6,281.03 is: 8,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,316.71 : 15,617.10 = 6,281.03 : x
  2. Step 2: Convert to fraction form
    11,316.71/15,617.10 = 6,281.03/x
  3. Step 3: Cross multiply
    11,316.71x = 15,617.10 × 6,281.03
  4. Step 4: Simplify right side
    11,316.71x = 98,091,395.53
  5. Step 5: Solve for x
    x = 98,091,395.53/11,316.71
  6. Step 6: Final answer
    x = 8,667.84

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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.