Home / 9,048.56-12,486.84-5,898.80

Finding the Fourth Proportional to 9,048.56, 12,486.84 and 5,898.80

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Solution

The fourth proportional to 9,048.56, 12,486.84 and 5,898.80 is: 8,140.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,048.56 : 12,486.84 = 5,898.80 : x
  2. Step 2: Convert to fraction form
    9,048.56/12,486.84 = 5,898.80/x
  3. Step 3: Cross multiply
    9,048.56x = 12,486.84 × 5,898.80
  4. Step 4: Simplify right side
    9,048.56x = 73,657,371.79
  5. Step 5: Solve for x
    x = 73,657,371.79/9,048.56
  6. Step 6: Final answer
    x = 8,140.23

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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.