Home / 9,913.77-13,681.22-5,437.94

Finding the Fourth Proportional to 9,913.77, 13,681.22 and 5,437.94

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Solution

The fourth proportional to 9,913.77, 13,681.22 and 5,437.94 is: 7,504.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,913.77 : 13,681.22 = 5,437.94 : x
  2. Step 2: Convert to fraction form
    9,913.77/13,681.22 = 5,437.94/x
  3. Step 3: Cross multiply
    9,913.77x = 13,681.22 × 5,437.94
  4. Step 4: Simplify right side
    9,913.77x = 74,397,686.53
  5. Step 5: Solve for x
    x = 74,397,686.53/9,913.77
  6. Step 6: Final answer
    x = 7,504.48

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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.