Home / 9,283.12-12,810.96-5,304.88

Finding the Fourth Proportional to 9,283.12, 12,810.96 and 5,304.88

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Solution

The fourth proportional to 9,283.12, 12,810.96 and 5,304.88 is: 7,320.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,283.12 : 12,810.96 = 5,304.88 : x
  2. Step 2: Convert to fraction form
    9,283.12/12,810.96 = 5,304.88/x
  3. Step 3: Cross multiply
    9,283.12x = 12,810.96 × 5,304.88
  4. Step 4: Simplify right side
    9,283.12x = 67,960,605.48
  5. Step 5: Solve for x
    x = 67,960,605.48/9,283.12
  6. Step 6: Final answer
    x = 7,320.88

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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.