Home / 12,294.24-18,449.28-4,502.40

Finding the Fourth Proportional to 12,294.24, 18,449.28 and 4,502.40

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Solution

The fourth proportional to 12,294.24, 18,449.28 and 4,502.40 is: 6,756.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294.24 : 18,449.28 = 4,502.40 : x
  2. Step 2: Convert to fraction form
    12,294.24/18,449.28 = 4,502.40/x
  3. Step 3: Cross multiply
    12,294.24x = 18,449.28 × 4,502.40
  4. Step 4: Simplify right side
    12,294.24x = 83,066,038.27
  5. Step 5: Solve for x
    x = 83,066,038.27/12,294.24
  6. Step 6: Final answer
    x = 6,756.50

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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.