Home / 9,159.80-12,640.58-4,968.04

Finding the Fourth Proportional to 9,159.80, 12,640.58 and 4,968.04

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Solution

The fourth proportional to 9,159.80, 12,640.58 and 4,968.04 is: 6,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.80 : 12,640.58 = 4,968.04 : x
  2. Step 2: Convert to fraction form
    9,159.80/12,640.58 = 4,968.04/x
  3. Step 3: Cross multiply
    9,159.80x = 12,640.58 × 4,968.04
  4. Step 4: Simplify right side
    9,159.80x = 62,798,907.06
  5. Step 5: Solve for x
    x = 62,798,907.06/9,159.80
  6. Step 6: Final answer
    x = 6,855.93

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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.