Home / 7,971.14-11,001.15-4,827.32

Finding the Fourth Proportional to 7,971.14, 11,001.15 and 4,827.32

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Solution

The fourth proportional to 7,971.14, 11,001.15 and 4,827.32 is: 6,662.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,971.14 : 11,001.15 = 4,827.32 : x
  2. Step 2: Convert to fraction form
    7,971.14/11,001.15 = 4,827.32/x
  3. Step 3: Cross multiply
    7,971.14x = 11,001.15 × 4,827.32
  4. Step 4: Simplify right side
    7,971.14x = 53,106,071.42
  5. Step 5: Solve for x
    x = 53,106,071.42/7,971.14
  6. Step 6: Final answer
    x = 6,662.29

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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.