Home / 6,975.93-9,618.17-4,985.76

Finding the Fourth Proportional to 6,975.93, 9,618.17 and 4,985.76

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Solution

The fourth proportional to 6,975.93, 9,618.17 and 4,985.76 is: 6,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,975.93 : 9,618.17 = 4,985.76 : x
  2. Step 2: Convert to fraction form
    6,975.93/9,618.17 = 4,985.76/x
  3. Step 3: Cross multiply
    6,975.93x = 9,618.17 × 4,985.76
  4. Step 4: Simplify right side
    6,975.93x = 47,953,862.33
  5. Step 5: Solve for x
    x = 47,953,862.33/6,975.93
  6. Step 6: Final answer
    x = 6,874.19

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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.