Home / 12,363.60-18,547.80-5,343.60

Finding the Fourth Proportional to 12,363.60, 18,547.80 and 5,343.60

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Solution

The fourth proportional to 12,363.60, 18,547.80 and 5,343.60 is: 8,016.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,363.60 : 18,547.80 = 5,343.60 : x
  2. Step 2: Convert to fraction form
    12,363.60/18,547.80 = 5,343.60/x
  3. Step 3: Cross multiply
    12,363.60x = 18,547.80 × 5,343.60
  4. Step 4: Simplify right side
    12,363.60x = 99,112,024.08
  5. Step 5: Solve for x
    x = 99,112,024.08/12,363.60
  6. Step 6: Final answer
    x = 8,016.44

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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.