Home / 9,937.79-13,713.49-5,461.45

Finding the Fourth Proportional to 9,937.79, 13,713.49 and 5,461.45

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Solution

The fourth proportional to 9,937.79, 13,713.49 and 5,461.45 is: 7,536.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,937.79 : 13,713.49 = 5,461.45 : x
  2. Step 2: Convert to fraction form
    9,937.79/13,713.49 = 5,461.45/x
  3. Step 3: Cross multiply
    9,937.79x = 13,713.49 × 5,461.45
  4. Step 4: Simplify right side
    9,937.79x = 74,895,444.09
  5. Step 5: Solve for x
    x = 74,895,444.09/9,937.79
  6. Step 6: Final answer
    x = 7,536.43

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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.