Home / 9,354.24-14,028.16-4,421.12

Finding the Fourth Proportional to 9,354.24, 14,028.16 and 4,421.12

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Solution

The fourth proportional to 9,354.24, 14,028.16 and 4,421.12 is: 6,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,354.24 : 14,028.16 = 4,421.12 : x
  2. Step 2: Convert to fraction form
    9,354.24/14,028.16 = 4,421.12/x
  3. Step 3: Cross multiply
    9,354.24x = 14,028.16 × 4,421.12
  4. Step 4: Simplify right side
    9,354.24x = 62,020,178.74
  5. Step 5: Solve for x
    x = 62,020,178.74/9,354.24
  6. Step 6: Final answer
    x = 6,630.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.