Home / 7,853.48-10,838.32-4,316.72

Finding the Fourth Proportional to 7,853.48, 10,838.32 and 4,316.72

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Solution

The fourth proportional to 7,853.48, 10,838.32 and 4,316.72 is: 5,957.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.48 : 10,838.32 = 4,316.72 : x
  2. Step 2: Convert to fraction form
    7,853.48/10,838.32 = 4,316.72/x
  3. Step 3: Cross multiply
    7,853.48x = 10,838.32 × 4,316.72
  4. Step 4: Simplify right side
    7,853.48x = 46,785,992.71
  5. Step 5: Solve for x
    x = 46,785,992.71/7,853.48
  6. Step 6: Final answer
    x = 5,957.36

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Half scale
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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.