Home / 10,547.45-15,822.08-2,756.25

Finding the Fourth Proportional to 10,547.45, 15,822.08 and 2,756.25

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Solution

The fourth proportional to 10,547.45, 15,822.08 and 2,756.25 is: 4,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.45 : 15,822.08 = 2,756.25 : x
  2. Step 2: Convert to fraction form
    10,547.45/15,822.08 = 2,756.25/x
  3. Step 3: Cross multiply
    10,547.45x = 15,822.08 × 2,756.25
  4. Step 4: Simplify right side
    10,547.45x = 43,609,594.22
  5. Step 5: Solve for x
    x = 43,609,594.22/10,547.45
  6. Step 6: Final answer
    x = 4,134.61

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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.