Home / 10,041.20-13,856.89-5,565.03

Finding the Fourth Proportional to 10,041.20, 13,856.89 and 5,565.03

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Solution

The fourth proportional to 10,041.20, 13,856.89 and 5,565.03 is: 7,679.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,041.20 : 13,856.89 = 5,565.03 : x
  2. Step 2: Convert to fraction form
    10,041.20/13,856.89 = 5,565.03/x
  3. Step 3: Cross multiply
    10,041.20x = 13,856.89 × 5,565.03
  4. Step 4: Simplify right side
    10,041.20x = 77,113,911.45
  5. Step 5: Solve for x
    x = 77,113,911.45/10,041.20
  6. Step 6: Final answer
    x = 7,679.75

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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.