Home / 10,355.68-14,298.96-8,359.84

Finding the Fourth Proportional to 10,355.68, 14,298.96 and 8,359.84

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Solution

The fourth proportional to 10,355.68, 14,298.96 and 8,359.84 is: 11,543.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.68 : 14,298.96 = 8,359.84 : x
  2. Step 2: Convert to fraction form
    10,355.68/14,298.96 = 8,359.84/x
  3. Step 3: Cross multiply
    10,355.68x = 14,298.96 × 8,359.84
  4. Step 4: Simplify right side
    10,355.68x = 119,537,017.77
  5. Step 5: Solve for x
    x = 119,537,017.77/10,355.68
  6. Step 6: Final answer
    x = 11,543.14

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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.