Home / 9,666.03-13,340.06-5,417.81

Finding the Fourth Proportional to 9,666.03, 13,340.06 and 5,417.81

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Solution

The fourth proportional to 9,666.03, 13,340.06 and 5,417.81 is: 7,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,666.03 : 13,340.06 = 5,417.81 : x
  2. Step 2: Convert to fraction form
    9,666.03/13,340.06 = 5,417.81/x
  3. Step 3: Cross multiply
    9,666.03x = 13,340.06 × 5,417.81
  4. Step 4: Simplify right side
    9,666.03x = 72,273,910.47
  5. Step 5: Solve for x
    x = 72,273,910.47/9,666.03
  6. Step 6: Final answer
    x = 7,477.10

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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.