Home / 9,068.40-12,514.01-5,291.78

Finding the Fourth Proportional to 9,068.40, 12,514.01 and 5,291.78

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Solution

The fourth proportional to 9,068.40, 12,514.01 and 5,291.78 is: 7,302.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,068.40 : 12,514.01 = 5,291.78 : x
  2. Step 2: Convert to fraction form
    9,068.40/12,514.01 = 5,291.78/x
  3. Step 3: Cross multiply
    9,068.40x = 12,514.01 × 5,291.78
  4. Step 4: Simplify right side
    9,068.40x = 66,221,298.81
  5. Step 5: Solve for x
    x = 66,221,298.81/9,068.40
  6. Step 6: Final answer
    x = 7,302.42

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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.