Home / 10,341.87-14,280.08-7,192.59

Finding the Fourth Proportional to 10,341.87, 14,280.08 and 7,192.59

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Solution

The fourth proportional to 10,341.87, 14,280.08 and 7,192.59 is: 9,931.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.87 : 14,280.08 = 7,192.59 : x
  2. Step 2: Convert to fraction form
    10,341.87/14,280.08 = 7,192.59/x
  3. Step 3: Cross multiply
    10,341.87x = 14,280.08 × 7,192.59
  4. Step 4: Simplify right side
    10,341.87x = 102,710,724.64
  5. Step 5: Solve for x
    x = 102,710,724.64/10,341.87
  6. Step 6: Final answer
    x = 9,931.54

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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.