Home / 6,458.15-9,688.13-2,074.14

Finding the Fourth Proportional to 6,458.15, 9,688.13 and 2,074.14

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Solution

The fourth proportional to 6,458.15, 9,688.13 and 2,074.14 is: 3,111.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.15 : 9,688.13 = 2,074.14 : x
  2. Step 2: Convert to fraction form
    6,458.15/9,688.13 = 2,074.14/x
  3. Step 3: Cross multiply
    6,458.15x = 9,688.13 × 2,074.14
  4. Step 4: Simplify right side
    6,458.15x = 20,094,537.96
  5. Step 5: Solve for x
    x = 20,094,537.96/6,458.15
  6. Step 6: Final answer
    x = 3,111.50

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Half scale
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Find fourth proportional to 6,459.15, 9,689.63 and 2,075.14
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.