Home / 9,384.48-12,950.40-5,192.76

Finding the Fourth Proportional to 9,384.48, 12,950.40 and 5,192.76

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Solution

The fourth proportional to 9,384.48, 12,950.40 and 5,192.76 is: 7,165.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,384.48 : 12,950.40 = 5,192.76 : x
  2. Step 2: Convert to fraction form
    9,384.48/12,950.40 = 5,192.76/x
  3. Step 3: Cross multiply
    9,384.48x = 12,950.40 × 5,192.76
  4. Step 4: Simplify right side
    9,384.48x = 67,248,319.10
  5. Step 5: Solve for x
    x = 67,248,319.10/9,384.48
  6. Step 6: Final answer
    x = 7,165.91

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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.