Home / 9,244.80-12,756.48-5,265.28

Finding the Fourth Proportional to 9,244.80, 12,756.48 and 5,265.28

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Solution

The fourth proportional to 9,244.80, 12,756.48 and 5,265.28 is: 7,265.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,244.80 : 12,756.48 = 5,265.28 : x
  2. Step 2: Convert to fraction form
    9,244.80/12,756.48 = 5,265.28/x
  3. Step 3: Cross multiply
    9,244.80x = 12,756.48 × 5,265.28
  4. Step 4: Simplify right side
    9,244.80x = 67,166,439.01
  5. Step 5: Solve for x
    x = 67,166,439.01/9,244.80
  6. Step 6: Final answer
    x = 7,265.32

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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.