Home / 7,616.19-10,512.57-4,430.23

Finding the Fourth Proportional to 7,616.19, 10,512.57 and 4,430.23

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Solution

The fourth proportional to 7,616.19, 10,512.57 and 4,430.23 is: 6,115.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,616.19 : 10,512.57 = 4,430.23 : x
  2. Step 2: Convert to fraction form
    7,616.19/10,512.57 = 4,430.23/x
  3. Step 3: Cross multiply
    7,616.19x = 10,512.57 × 4,430.23
  4. Step 4: Simplify right side
    7,616.19x = 46,573,102.99
  5. Step 5: Solve for x
    x = 46,573,102.99/7,616.19
  6. Step 6: Final answer
    x = 6,115.01

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Half scale
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Find fourth proportional to 7,617.19, 10,513.95 and 4,431.23
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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.