Home / 9,042.09-12,478.14-5,063.16

Finding the Fourth Proportional to 9,042.09, 12,478.14 and 5,063.16

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Solution

The fourth proportional to 9,042.09, 12,478.14 and 5,063.16 is: 6,987.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042.09 : 12,478.14 = 5,063.16 : x
  2. Step 2: Convert to fraction form
    9,042.09/12,478.14 = 5,063.16/x
  3. Step 3: Cross multiply
    9,042.09x = 12,478.14 × 5,063.16
  4. Step 4: Simplify right side
    9,042.09x = 63,178,819.32
  5. Step 5: Solve for x
    x = 63,178,819.32/9,042.09
  6. Step 6: Final answer
    x = 6,987.19

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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.