Home / 10,547.63-15,821.73-4,621.47

Finding the Fourth Proportional to 10,547.63, 15,821.73 and 4,621.47

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Solution

The fourth proportional to 10,547.63, 15,821.73 and 4,621.47 is: 6,932.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.63 : 15,821.73 = 4,621.47 : x
  2. Step 2: Convert to fraction form
    10,547.63/15,821.73 = 4,621.47/x
  3. Step 3: Cross multiply
    10,547.63x = 15,821.73 × 4,621.47
  4. Step 4: Simplify right side
    10,547.63x = 73,119,591.21
  5. Step 5: Solve for x
    x = 73,119,591.21/10,547.63
  6. Step 6: Final answer
    x = 6,932.33

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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.