Home / 7,620.26-10,515.15-4,432.95

Finding the Fourth Proportional to 7,620.26, 10,515.15 and 4,432.95

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Solution

The fourth proportional to 7,620.26, 10,515.15 and 4,432.95 is: 6,117.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.26 : 10,515.15 = 4,432.95 : x
  2. Step 2: Convert to fraction form
    7,620.26/10,515.15 = 4,432.95/x
  3. Step 3: Cross multiply
    7,620.26x = 10,515.15 × 4,432.95
  4. Step 4: Simplify right side
    7,620.26x = 46,613,134.19
  5. Step 5: Solve for x
    x = 46,613,134.19/7,620.26
  6. Step 6: Final answer
    x = 6,117.00

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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.