Home / 10,341.40-14,270.70-5,625.40

Finding the Fourth Proportional to 10,341.40, 14,270.70 and 5,625.40

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Solution

The fourth proportional to 10,341.40, 14,270.70 and 5,625.40 is: 7,762.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.40 : 14,270.70 = 5,625.40 : x
  2. Step 2: Convert to fraction form
    10,341.40/14,270.70 = 5,625.40/x
  3. Step 3: Cross multiply
    10,341.40x = 14,270.70 × 5,625.40
  4. Step 4: Simplify right side
    10,341.40x = 80,278,395.78
  5. Step 5: Solve for x
    x = 80,278,395.78/10,341.40
  6. Step 6: Final answer
    x = 7,762.82

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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.