Home / 9,266.06-12,787.23-5,287.14

Finding the Fourth Proportional to 9,266.06, 12,787.23 and 5,287.14

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Solution

The fourth proportional to 9,266.06, 12,787.23 and 5,287.14 is: 7,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,266.06 : 12,787.23 = 5,287.14 : x
  2. Step 2: Convert to fraction form
    9,266.06/12,787.23 = 5,287.14/x
  3. Step 3: Cross multiply
    9,266.06x = 12,787.23 × 5,287.14
  4. Step 4: Simplify right side
    9,266.06x = 67,607,875.22
  5. Step 5: Solve for x
    x = 67,607,875.22/9,266.06
  6. Step 6: Final answer
    x = 7,296.30

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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.