Home / 9,619.10-14,430.60-5,461.10

Finding the Fourth Proportional to 9,619.10, 14,430.60 and 5,461.10

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Solution

The fourth proportional to 9,619.10, 14,430.60 and 5,461.10 is: 8,192.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619.10 : 14,430.60 = 5,461.10 : x
  2. Step 2: Convert to fraction form
    9,619.10/14,430.60 = 5,461.10/x
  3. Step 3: Cross multiply
    9,619.10x = 14,430.60 × 5,461.10
  4. Step 4: Simplify right side
    9,619.10x = 78,806,949.66
  5. Step 5: Solve for x
    x = 78,806,949.66/9,619.10
  6. Step 6: Final answer
    x = 8,192.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.