Home / 7,032.86-9,680.69-6,368.55

Finding the Fourth Proportional to 7,032.86, 9,680.69 and 6,368.55

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Solution

The fourth proportional to 7,032.86, 9,680.69 and 6,368.55 is: 8,766.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,032.86 : 9,680.69 = 6,368.55 : x
  2. Step 2: Convert to fraction form
    7,032.86/9,680.69 = 6,368.55/x
  3. Step 3: Cross multiply
    7,032.86x = 9,680.69 × 6,368.55
  4. Step 4: Simplify right side
    7,032.86x = 61,651,926.46
  5. Step 5: Solve for x
    x = 61,651,926.46/7,032.86
  6. Step 6: Final answer
    x = 8,766.27

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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.