Home / 10,853.16-14,976.49-6,315.13

Finding the Fourth Proportional to 10,853.16, 14,976.49 and 6,315.13

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Solution

The fourth proportional to 10,853.16, 14,976.49 and 6,315.13 is: 8,714.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,853.16 : 14,976.49 = 6,315.13 : x
  2. Step 2: Convert to fraction form
    10,853.16/14,976.49 = 6,315.13/x
  3. Step 3: Cross multiply
    10,853.16x = 14,976.49 × 6,315.13
  4. Step 4: Simplify right side
    10,853.16x = 94,578,481.29
  5. Step 5: Solve for x
    x = 94,578,481.29/10,853.16
  6. Step 6: Final answer
    x = 8,714.37

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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.