Home / 9,578.12-13,216.95-5,329.04

Finding the Fourth Proportional to 9,578.12, 13,216.95 and 5,329.04

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Solution

The fourth proportional to 9,578.12, 13,216.95 and 5,329.04 is: 7,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,578.12 : 13,216.95 = 5,329.04 : x
  2. Step 2: Convert to fraction form
    9,578.12/13,216.95 = 5,329.04/x
  3. Step 3: Cross multiply
    9,578.12x = 13,216.95 × 5,329.04
  4. Step 4: Simplify right side
    9,578.12x = 70,433,655.23
  5. Step 5: Solve for x
    x = 70,433,655.23/9,578.12
  6. Step 6: Final answer
    x = 7,353.60

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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.