Home / 10,042.40-13,851.60-7,064.48

Finding the Fourth Proportional to 10,042.40, 13,851.60 and 7,064.48

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Solution

The fourth proportional to 10,042.40, 13,851.60 and 7,064.48 is: 9,744.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,042.40 : 13,851.60 = 7,064.48 : x
  2. Step 2: Convert to fraction form
    10,042.40/13,851.60 = 7,064.48/x
  3. Step 3: Cross multiply
    10,042.40x = 13,851.60 × 7,064.48
  4. Step 4: Simplify right side
    10,042.40x = 97,854,351.17
  5. Step 5: Solve for x
    x = 97,854,351.17/10,042.40
  6. Step 6: Final answer
    x = 9,744.12

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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.