Home / 12,333.12-18,506.96-4,547.40

Finding the Fourth Proportional to 12,333.12, 18,506.96 and 4,547.40

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Solution

The fourth proportional to 12,333.12, 18,506.96 and 4,547.40 is: 6,823.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,333.12 : 18,506.96 = 4,547.40 : x
  2. Step 2: Convert to fraction form
    12,333.12/18,506.96 = 4,547.40/x
  3. Step 3: Cross multiply
    12,333.12x = 18,506.96 × 4,547.40
  4. Step 4: Simplify right side
    12,333.12x = 84,158,549.90
  5. Step 5: Solve for x
    x = 84,158,549.90/12,333.12
  6. Step 6: Final answer
    x = 6,823.78

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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.