Home / 10,418.04-14,376.88-5,702.32

Finding the Fourth Proportional to 10,418.04, 14,376.88 and 5,702.32

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Solution

The fourth proportional to 10,418.04, 14,376.88 and 5,702.32 is: 7,869.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.04 : 14,376.88 = 5,702.32 : x
  2. Step 2: Convert to fraction form
    10,418.04/14,376.88 = 5,702.32/x
  3. Step 3: Cross multiply
    10,418.04x = 14,376.88 × 5,702.32
  4. Step 4: Simplify right side
    10,418.04x = 81,981,570.36
  5. Step 5: Solve for x
    x = 81,981,570.36/10,418.04
  6. Step 6: Final answer
    x = 7,869.19

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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.