Home / 9,192.32-12,688.01-5,417.68

Finding the Fourth Proportional to 9,192.32, 12,688.01 and 5,417.68

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Solution

The fourth proportional to 9,192.32, 12,688.01 and 5,417.68 is: 7,477.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.32 : 12,688.01 = 5,417.68 : x
  2. Step 2: Convert to fraction form
    9,192.32/12,688.01 = 5,417.68/x
  3. Step 3: Cross multiply
    9,192.32x = 12,688.01 × 5,417.68
  4. Step 4: Simplify right side
    9,192.32x = 68,739,559.84
  5. Step 5: Solve for x
    x = 68,739,559.84/9,192.32
  6. Step 6: Final answer
    x = 7,477.93

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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.