Home / 9,475.15-13,075.20-5,697.45

Finding the Fourth Proportional to 9,475.15, 13,075.20 and 5,697.45

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Solution

The fourth proportional to 9,475.15, 13,075.20 and 5,697.45 is: 7,862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,475.15 : 13,075.20 = 5,697.45 : x
  2. Step 2: Convert to fraction form
    9,475.15/13,075.20 = 5,697.45/x
  3. Step 3: Cross multiply
    9,475.15x = 13,075.20 × 5,697.45
  4. Step 4: Simplify right side
    9,475.15x = 74,495,298.24
  5. Step 5: Solve for x
    x = 74,495,298.24/9,475.15
  6. Step 6: Final answer
    x = 7,862.18

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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.