Home / 9,205.51-12,703.60-5,013.76

Finding the Fourth Proportional to 9,205.51, 12,703.60 and 5,013.76

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Solution

The fourth proportional to 9,205.51, 12,703.60 and 5,013.76 is: 6,918.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205.51 : 12,703.60 = 5,013.76 : x
  2. Step 2: Convert to fraction form
    9,205.51/12,703.60 = 5,013.76/x
  3. Step 3: Cross multiply
    9,205.51x = 12,703.60 × 5,013.76
  4. Step 4: Simplify right side
    9,205.51x = 63,692,801.54
  5. Step 5: Solve for x
    x = 63,692,801.54/9,205.51
  6. Step 6: Final answer
    x = 6,918.99

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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.