Home / 11,116.02-16,655.52-7,822.19

Finding the Fourth Proportional to 11,116.02, 16,655.52 and 7,822.19

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Solution

The fourth proportional to 11,116.02, 16,655.52 and 7,822.19 is: 11,720.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.02 : 16,655.52 = 7,822.19 : x
  2. Step 2: Convert to fraction form
    11,116.02/16,655.52 = 7,822.19/x
  3. Step 3: Cross multiply
    11,116.02x = 16,655.52 × 7,822.19
  4. Step 4: Simplify right side
    11,116.02x = 130,282,683.63
  5. Step 5: Solve for x
    x = 130,282,683.63/11,116.02
  6. Step 6: Final answer
    x = 11,720.26

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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.