Home / 10,670.16-14,707.12-7,132.08

Finding the Fourth Proportional to 10,670.16, 14,707.12 and 7,132.08

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Solution

The fourth proportional to 10,670.16, 14,707.12 and 7,132.08 is: 9,830.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670.16 : 14,707.12 = 7,132.08 : x
  2. Step 2: Convert to fraction form
    10,670.16/14,707.12 = 7,132.08/x
  3. Step 3: Cross multiply
    10,670.16x = 14,707.12 × 7,132.08
  4. Step 4: Simplify right side
    10,670.16x = 104,892,356.41
  5. Step 5: Solve for x
    x = 104,892,356.41/10,670.16
  6. Step 6: Final answer
    x = 9,830.44

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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.