Home / 8,803.36-12,146.88-5,268.16

Finding the Fourth Proportional to 8,803.36, 12,146.88 and 5,268.16

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Solution

The fourth proportional to 8,803.36, 12,146.88 and 5,268.16 is: 7,269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.36 : 12,146.88 = 5,268.16 : x
  2. Step 2: Convert to fraction form
    8,803.36/12,146.88 = 5,268.16/x
  3. Step 3: Cross multiply
    8,803.36x = 12,146.88 × 5,268.16
  4. Step 4: Simplify right side
    8,803.36x = 63,991,707.34
  5. Step 5: Solve for x
    x = 63,991,707.34/8,803.36
  6. Step 6: Final answer
    x = 7,269.01

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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.