Home / 7,511.99-10,366.65-4,155.08

Finding the Fourth Proportional to 7,511.99, 10,366.65 and 4,155.08

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Solution

The fourth proportional to 7,511.99, 10,366.65 and 4,155.08 is: 5,734.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,511.99 : 10,366.65 = 4,155.08 : x
  2. Step 2: Convert to fraction form
    7,511.99/10,366.65 = 4,155.08/x
  3. Step 3: Cross multiply
    7,511.99x = 10,366.65 × 4,155.08
  4. Step 4: Simplify right side
    7,511.99x = 43,074,208.25
  5. Step 5: Solve for x
    x = 43,074,208.25/7,511.99
  6. Step 6: Final answer
    x = 5,734.06

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Half scale
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Double scale
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Similar ratio
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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.