Home / 9,421.27-13,001.36-5,646.62

Finding the Fourth Proportional to 9,421.27, 13,001.36 and 5,646.62

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Solution

The fourth proportional to 9,421.27, 13,001.36 and 5,646.62 is: 7,792.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.27 : 13,001.36 = 5,646.62 : x
  2. Step 2: Convert to fraction form
    9,421.27/13,001.36 = 5,646.62/x
  3. Step 3: Cross multiply
    9,421.27x = 13,001.36 × 5,646.62
  4. Step 4: Simplify right side
    9,421.27x = 73,413,711.17
  5. Step 5: Solve for x
    x = 73,413,711.17/9,421.27
  6. Step 6: Final answer
    x = 7,792.34

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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.