Home / 10,335.06-14,264.30-9,702.05

Finding the Fourth Proportional to 10,335.06, 14,264.30 and 9,702.05

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Solution

The fourth proportional to 10,335.06, 14,264.30 and 9,702.05 is: 13,390.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,335.06 : 14,264.30 = 9,702.05 : x
  2. Step 2: Convert to fraction form
    10,335.06/14,264.30 = 9,702.05/x
  3. Step 3: Cross multiply
    10,335.06x = 14,264.30 × 9,702.05
  4. Step 4: Simplify right side
    10,335.06x = 138,392,904.75
  5. Step 5: Solve for x
    x = 138,392,904.75/10,335.06
  6. Step 6: Final answer
    x = 13,390.62

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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.