Home / 10,854.95-14,979.60-6,074.60

Finding the Fourth Proportional to 10,854.95, 14,979.60 and 6,074.60

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Solution

The fourth proportional to 10,854.95, 14,979.60 and 6,074.60 is: 8,382.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,854.95 : 14,979.60 = 6,074.60 : x
  2. Step 2: Convert to fraction form
    10,854.95/14,979.60 = 6,074.60/x
  3. Step 3: Cross multiply
    10,854.95x = 14,979.60 × 6,074.60
  4. Step 4: Simplify right side
    10,854.95x = 90,995,003.26
  5. Step 5: Solve for x
    x = 90,995,003.26/10,854.95
  6. Step 6: Final answer
    x = 8,382.82

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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.