Home / 9,582.81-13,222.29-5,603.16

Finding the Fourth Proportional to 9,582.81, 13,222.29 and 5,603.16

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Solution

The fourth proportional to 9,582.81, 13,222.29 and 5,603.16 is: 7,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,582.81 : 13,222.29 = 5,603.16 : x
  2. Step 2: Convert to fraction form
    9,582.81/13,222.29 = 5,603.16/x
  3. Step 3: Cross multiply
    9,582.81x = 13,222.29 × 5,603.16
  4. Step 4: Simplify right side
    9,582.81x = 74,086,606.44
  5. Step 5: Solve for x
    x = 74,086,606.44/9,582.81
  6. Step 6: Final answer
    x = 7,731.20

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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.