Home / 10,418.10-14,376.99-5,702.40

Finding the Fourth Proportional to 10,418.10, 14,376.99 and 5,702.40

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Solution

The fourth proportional to 10,418.10, 14,376.99 and 5,702.40 is: 7,869.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.10 : 14,376.99 = 5,702.40 : x
  2. Step 2: Convert to fraction form
    10,418.10/14,376.99 = 5,702.40/x
  3. Step 3: Cross multiply
    10,418.10x = 14,376.99 × 5,702.40
  4. Step 4: Simplify right side
    10,418.10x = 81,983,347.78
  5. Step 5: Solve for x
    x = 81,983,347.78/10,418.10
  6. Step 6: Final answer
    x = 7,869.32

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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.