Home / 10,191.07-14,063.63-5,714.80

Finding the Fourth Proportional to 10,191.07, 14,063.63 and 5,714.80

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Solution

The fourth proportional to 10,191.07, 14,063.63 and 5,714.80 is: 7,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,191.07 : 14,063.63 = 5,714.80 : x
  2. Step 2: Convert to fraction form
    10,191.07/14,063.63 = 5,714.80/x
  3. Step 3: Cross multiply
    10,191.07x = 14,063.63 × 5,714.80
  4. Step 4: Simplify right side
    10,191.07x = 80,370,848.10
  5. Step 5: Solve for x
    x = 80,370,848.10/10,191.07
  6. Step 6: Final answer
    x = 7,886.40

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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.