Home / 9,095.47-12,551.07-5,115.81

Finding the Fourth Proportional to 9,095.47, 12,551.07 and 5,115.81

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Solution

The fourth proportional to 9,095.47, 12,551.07 and 5,115.81 is: 7,059.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,095.47 : 12,551.07 = 5,115.81 : x
  2. Step 2: Convert to fraction form
    9,095.47/12,551.07 = 5,115.81/x
  3. Step 3: Cross multiply
    9,095.47x = 12,551.07 × 5,115.81
  4. Step 4: Simplify right side
    9,095.47x = 64,208,962.69
  5. Step 5: Solve for x
    x = 64,208,962.69/9,095.47
  6. Step 6: Final answer
    x = 7,059.44

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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.