Home / 10,382.71-14,328.15-5,666.99

Finding the Fourth Proportional to 10,382.71, 14,328.15 and 5,666.99

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Solution

The fourth proportional to 10,382.71, 14,328.15 and 5,666.99 is: 7,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.71 : 14,328.15 = 5,666.99 : x
  2. Step 2: Convert to fraction form
    10,382.71/14,328.15 = 5,666.99/x
  3. Step 3: Cross multiply
    10,382.71x = 14,328.15 × 5,666.99
  4. Step 4: Simplify right side
    10,382.71x = 81,197,482.77
  5. Step 5: Solve for x
    x = 81,197,482.77/10,382.71
  6. Step 6: Final answer
    x = 7,820.45

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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.