Home / 7,853.66-10,838.31-4,316.99

Finding the Fourth Proportional to 7,853.66, 10,838.31 and 4,316.99

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Solution

The fourth proportional to 7,853.66, 10,838.31 and 4,316.99 is: 5,957.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,853.66 : 10,838.31 = 4,316.99 : x
  2. Step 2: Convert to fraction form
    7,853.66/10,838.31 = 4,316.99/x
  3. Step 3: Cross multiply
    7,853.66x = 10,838.31 × 4,316.99
  4. Step 4: Simplify right side
    7,853.66x = 46,788,875.89
  5. Step 5: Solve for x
    x = 46,788,875.89/7,853.66
  6. Step 6: Final answer
    x = 5,957.59

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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.