Home / 10,370.40-14,310.36-5,654.58

Finding the Fourth Proportional to 10,370.40, 14,310.36 and 5,654.58

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Solution

The fourth proportional to 10,370.40, 14,310.36 and 5,654.58 is: 7,802.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.40 : 14,310.36 = 5,654.58 : x
  2. Step 2: Convert to fraction form
    10,370.40/14,310.36 = 5,654.58/x
  3. Step 3: Cross multiply
    10,370.40x = 14,310.36 × 5,654.58
  4. Step 4: Simplify right side
    10,370.40x = 80,919,075.45
  5. Step 5: Solve for x
    x = 80,919,075.45/10,370.40
  6. Step 6: Final answer
    x = 7,802.89

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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.