Home / 9,051.04-12,489.76-5,513.68

Finding the Fourth Proportional to 9,051.04, 12,489.76 and 5,513.68

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Solution

The fourth proportional to 9,051.04, 12,489.76 and 5,513.68 is: 7,608.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.04 : 12,489.76 = 5,513.68 : x
  2. Step 2: Convert to fraction form
    9,051.04/12,489.76 = 5,513.68/x
  3. Step 3: Cross multiply
    9,051.04x = 12,489.76 × 5,513.68
  4. Step 4: Simplify right side
    9,051.04x = 68,864,539.92
  5. Step 5: Solve for x
    x = 68,864,539.92/9,051.04
  6. Step 6: Final answer
    x = 7,608.47

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Double scale
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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.