Home / 10,555.12-14,565.66-5,774.92

Finding the Fourth Proportional to 10,555.12, 14,565.66 and 5,774.92

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Solution

The fourth proportional to 10,555.12, 14,565.66 and 5,774.92 is: 7,969.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555.12 : 14,565.66 = 5,774.92 : x
  2. Step 2: Convert to fraction form
    10,555.12/14,565.66 = 5,774.92/x
  3. Step 3: Cross multiply
    10,555.12x = 14,565.66 × 5,774.92
  4. Step 4: Simplify right side
    10,555.12x = 84,115,521.25
  5. Step 5: Solve for x
    x = 84,115,521.25/10,555.12
  6. Step 6: Final answer
    x = 7,969.17

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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.