Home / 8,368.64-11,549.04-4,643.36

Finding the Fourth Proportional to 8,368.64, 11,549.04 and 4,643.36

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Solution

The fourth proportional to 8,368.64, 11,549.04 and 4,643.36 is: 6,408.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.64 : 11,549.04 = 4,643.36 : x
  2. Step 2: Convert to fraction form
    8,368.64/11,549.04 = 4,643.36/x
  3. Step 3: Cross multiply
    8,368.64x = 11,549.04 × 4,643.36
  4. Step 4: Simplify right side
    8,368.64x = 53,626,350.37
  5. Step 5: Solve for x
    x = 53,626,350.37/8,368.64
  6. Step 6: Final answer
    x = 6,408.01

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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.