Home / 10,239.74-14,130.81-5,763.49

Finding the Fourth Proportional to 10,239.74, 14,130.81 and 5,763.49

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Solution

The fourth proportional to 10,239.74, 14,130.81 and 5,763.49 is: 7,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.74 : 14,130.81 = 5,763.49 : x
  2. Step 2: Convert to fraction form
    10,239.74/14,130.81 = 5,763.49/x
  3. Step 3: Cross multiply
    10,239.74x = 14,130.81 × 5,763.49
  4. Step 4: Simplify right side
    10,239.74x = 81,442,799.79
  5. Step 5: Solve for x
    x = 81,442,799.79/10,239.74
  6. Step 6: Final answer
    x = 7,953.60

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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.