Home / 10,670.12-14,707.12-7,132.04

Finding the Fourth Proportional to 10,670.12, 14,707.12 and 7,132.04

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Solution

The fourth proportional to 10,670.12, 14,707.12 and 7,132.04 is: 9,830.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670.12 : 14,707.12 = 7,132.04 : x
  2. Step 2: Convert to fraction form
    10,670.12/14,707.12 = 7,132.04/x
  3. Step 3: Cross multiply
    10,670.12x = 14,707.12 × 7,132.04
  4. Step 4: Simplify right side
    10,670.12x = 104,891,768.12
  5. Step 5: Solve for x
    x = 104,891,768.12/10,670.12
  6. Step 6: Final answer
    x = 9,830.42

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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.