Home / 9,459.65-13,054.59-5,210.98

Finding the Fourth Proportional to 9,459.65, 13,054.59 and 5,210.98

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Solution

The fourth proportional to 9,459.65, 13,054.59 and 5,210.98 is: 7,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,459.65 : 13,054.59 = 5,210.98 : x
  2. Step 2: Convert to fraction form
    9,459.65/13,054.59 = 5,210.98/x
  3. Step 3: Cross multiply
    9,459.65x = 13,054.59 × 5,210.98
  4. Step 4: Simplify right side
    9,459.65x = 68,027,142.13
  5. Step 5: Solve for x
    x = 68,027,142.13/9,459.65
  6. Step 6: Final answer
    x = 7,191.30

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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.