Home / 9,338.04-12,886.02-5,145.48

Finding the Fourth Proportional to 9,338.04, 12,886.02 and 5,145.48

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Solution

The fourth proportional to 9,338.04, 12,886.02 and 5,145.48 is: 7,100.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338.04 : 12,886.02 = 5,145.48 : x
  2. Step 2: Convert to fraction form
    9,338.04/12,886.02 = 5,145.48/x
  3. Step 3: Cross multiply
    9,338.04x = 12,886.02 × 5,145.48
  4. Step 4: Simplify right side
    9,338.04x = 66,304,758.19
  5. Step 5: Solve for x
    x = 66,304,758.19/9,338.04
  6. Step 6: Final answer
    x = 7,100.50

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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.