Home / 9,670.16-13,345.08-5,479.04

Finding the Fourth Proportional to 9,670.16, 13,345.08 and 5,479.04

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Solution

The fourth proportional to 9,670.16, 13,345.08 and 5,479.04 is: 7,561.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,670.16 : 13,345.08 = 5,479.04 : x
  2. Step 2: Convert to fraction form
    9,670.16/13,345.08 = 5,479.04/x
  3. Step 3: Cross multiply
    9,670.16x = 13,345.08 × 5,479.04
  4. Step 4: Simplify right side
    9,670.16x = 73,118,227.12
  5. Step 5: Solve for x
    x = 73,118,227.12/9,670.16
  6. Step 6: Final answer
    x = 7,561.22

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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.