Home / 10,483.26-15,730.35-9,878.19

Finding the Fourth Proportional to 10,483.26, 15,730.35 and 9,878.19

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Solution

The fourth proportional to 10,483.26, 15,730.35 and 9,878.19 is: 14,822.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,483.26 : 15,730.35 = 9,878.19 : x
  2. Step 2: Convert to fraction form
    10,483.26/15,730.35 = 9,878.19/x
  3. Step 3: Cross multiply
    10,483.26x = 15,730.35 × 9,878.19
  4. Step 4: Simplify right side
    10,483.26x = 155,387,386.07
  5. Step 5: Solve for x
    x = 155,387,386.07/10,483.26
  6. Step 6: Final answer
    x = 14,822.43

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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.