Home / 9,854.68-13,599.66-5,663.20

Finding the Fourth Proportional to 9,854.68, 13,599.66 and 5,663.20

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Solution

The fourth proportional to 9,854.68, 13,599.66 and 5,663.20 is: 7,815.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,854.68 : 13,599.66 = 5,663.20 : x
  2. Step 2: Convert to fraction form
    9,854.68/13,599.66 = 5,663.20/x
  3. Step 3: Cross multiply
    9,854.68x = 13,599.66 × 5,663.20
  4. Step 4: Simplify right side
    9,854.68x = 77,017,594.51
  5. Step 5: Solve for x
    x = 77,017,594.51/9,854.68
  6. Step 6: Final answer
    x = 7,815.33

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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.