Home / 10,367.90-15,547.35-4,819.40

Finding the Fourth Proportional to 10,367.90, 15,547.35 and 4,819.40

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Solution

The fourth proportional to 10,367.90, 15,547.35 and 4,819.40 is: 7,227.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.90 : 15,547.35 = 4,819.40 : x
  2. Step 2: Convert to fraction form
    10,367.90/15,547.35 = 4,819.40/x
  3. Step 3: Cross multiply
    10,367.90x = 15,547.35 × 4,819.40
  4. Step 4: Simplify right side
    10,367.90x = 74,928,898.59
  5. Step 5: Solve for x
    x = 74,928,898.59/10,367.90
  6. Step 6: Final answer
    x = 7,227.01

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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.