Home / 12,421.04-17,147.36-9,582.02

Finding the Fourth Proportional to 12,421.04, 17,147.36 and 9,582.02

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Solution

The fourth proportional to 12,421.04, 17,147.36 and 9,582.02 is: 13,228.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,421.04 : 17,147.36 = 9,582.02 : x
  2. Step 2: Convert to fraction form
    12,421.04/17,147.36 = 9,582.02/x
  3. Step 3: Cross multiply
    12,421.04x = 17,147.36 × 9,582.02
  4. Step 4: Simplify right side
    12,421.04x = 164,306,346.47
  5. Step 5: Solve for x
    x = 164,306,346.47/12,421.04
  6. Step 6: Final answer
    x = 13,228.07

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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.