Home / 10,315.92-14,237.28-5,840.40

Finding the Fourth Proportional to 10,315.92, 14,237.28 and 5,840.40

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Solution

The fourth proportional to 10,315.92, 14,237.28 and 5,840.40 is: 8,060.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.92 : 14,237.28 = 5,840.40 : x
  2. Step 2: Convert to fraction form
    10,315.92/14,237.28 = 5,840.40/x
  3. Step 3: Cross multiply
    10,315.92x = 14,237.28 × 5,840.40
  4. Step 4: Simplify right side
    10,315.92x = 83,151,410.11
  5. Step 5: Solve for x
    x = 83,151,410.11/10,315.92
  6. Step 6: Final answer
    x = 8,060.49

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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.