Home / 9,328.59-12,873.06-5,346.95

Finding the Fourth Proportional to 9,328.59, 12,873.06 and 5,346.95

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Solution

The fourth proportional to 9,328.59, 12,873.06 and 5,346.95 is: 7,378.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.59 : 12,873.06 = 5,346.95 : x
  2. Step 2: Convert to fraction form
    9,328.59/12,873.06 = 5,346.95/x
  3. Step 3: Cross multiply
    9,328.59x = 12,873.06 × 5,346.95
  4. Step 4: Simplify right side
    9,328.59x = 68,831,543.80
  5. Step 5: Solve for x
    x = 68,831,543.80/9,328.59
  6. Step 6: Final answer
    x = 7,378.56

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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.