Home / 10,040.84-13,856.35-5,565.26

Finding the Fourth Proportional to 10,040.84, 13,856.35 and 5,565.26

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Solution

The fourth proportional to 10,040.84, 13,856.35 and 5,565.26 is: 7,680.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040.84 : 13,856.35 = 5,565.26 : x
  2. Step 2: Convert to fraction form
    10,040.84/13,856.35 = 5,565.26/x
  3. Step 3: Cross multiply
    10,040.84x = 13,856.35 × 5,565.26
  4. Step 4: Simplify right side
    10,040.84x = 77,114,210.94
  5. Step 5: Solve for x
    x = 77,114,210.94/10,040.84
  6. Step 6: Final answer
    x = 7,680.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.