Home / 10,565.81-14,580.36-5,785.65

Finding the Fourth Proportional to 10,565.81, 14,580.36 and 5,785.65

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Solution

The fourth proportional to 10,565.81, 14,580.36 and 5,785.65 is: 7,983.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,565.81 : 14,580.36 = 5,785.65 : x
  2. Step 2: Convert to fraction form
    10,565.81/14,580.36 = 5,785.65/x
  3. Step 3: Cross multiply
    10,565.81x = 14,580.36 × 5,785.65
  4. Step 4: Simplify right side
    10,565.81x = 84,356,859.83
  5. Step 5: Solve for x
    x = 84,356,859.83/10,565.81
  6. Step 6: Final answer
    x = 7,983.95

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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.