Home / 7,376.63-10,175.09-4,390.23

Finding the Fourth Proportional to 7,376.63, 10,175.09 and 4,390.23

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Solution

The fourth proportional to 7,376.63, 10,175.09 and 4,390.23 is: 6,055.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.63 : 10,175.09 = 4,390.23 : x
  2. Step 2: Convert to fraction form
    7,376.63/10,175.09 = 4,390.23/x
  3. Step 3: Cross multiply
    7,376.63x = 10,175.09 × 4,390.23
  4. Step 4: Simplify right side
    7,376.63x = 44,670,985.37
  5. Step 5: Solve for x
    x = 44,670,985.37/7,376.63
  6. Step 6: Final answer
    x = 6,055.74

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Half scale
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Double scale
Find fourth proportional to 7,377.63, 10,176.47 and 4,391.23
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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.